Multiple chemical sensitivity. Medical search

An acquired disorder characterized by recurrent symptoms, referable to multiple organ systems, occurring in response to demonstrable exposure to many chemically unrelated compounds at doses below those established in the general population to cause harmful effects. (Cullen MR. The worker with multiple chemical sensitivities: an overview. Occup Med 1987;2(4):655-61)

A polysymptomatic condition believed by clinical ecologists to result from immune dysregulation induced by common foods, allergens, and chemicals, resulting in various physical and mental disorders. The medical community has remained largely skeptical of the existence of this "disease", given the plethora of symptoms attributed to environmental illness, the lack of reproducible laboratory abnormalities, and the use of unproven therapies to treat the condition. (From Segen, Dictionary of Modern Medicine, 1992)

Medical specialty concerned with environmental factors that may impinge upon human disease, and development of methods for the detection, prevention, and control of environmentally related disease.

A group of symptoms that are two- to three-fold more common in those who work in large, energy-efficient buildings, associated with an increased frequency of headaches, lethargy, and dry skin. Clinical manifestations include hypersensitivity pneumonitis (ALVEOLITIS, EXTRINSIC ALLERGIC); allergic rhinitis (RHINITIS, ALLERGIC, PERENNIAL); ASTHMA; infections, skin eruptions, and mucous membrane irritation syndromes. Current usage tends to be less restrictive with regard to the type of building and delineation of complaints. (From Segen, Dictionary of Modern Medicine, 1992)

The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health.

A group of disorders characterized by physical symptoms that are affected by emotional factors and involve a single organ system, usually under AUTONOMIC NERVOUS SYSTEM control. (American Psychiatric Glossary, 1988)

Unexplained symptoms reported by veterans of the Persian Gulf War with Iraq in 1991. The symptoms reported include fatigue, skin rash, muscle and joint pain, headaches, loss of memory, shortness of breath, gastrointestinal and respiratory symptoms, and extreme sensitivity to commonly occurring chemicals. (Nature 1994 May 5;369(6475):8)

A widely used industrial solvent.

A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (From Jane's Aerospace Dictionary, 3d ed)

A monosaccharide in sweet fruits and honey that is soluble in water, alcohol, or ether. It is used as a preservative and an intravenous infusion in parenteral feeding.

General term for a group of MALNUTRITION syndromes caused by failure of normal INTESTINAL ABSORPTION of nutrients.

An autosomal recessive fructose metabolism disorder due to deficient fructose-1-phosphate aldolase (EC 2.1.2.13) activity, resulting in accumulation of fructose-1-phosphate. The accumulated fructose-1-phosphate inhibits glycogenolysis and gluconeogenesis, causing severe hypoglycemia following ingestion of fructose. Prolonged fructose ingestion in infants leads ultimately to hepatic failure and death. Patients develop a strong distaste for sweet food, and avoid a chronic course of the disease by remaining on a fructose- and sucrose-free diet.

Changes in quantitative and qualitative composition of MICROBIOTA. The changes may lead to altered host microbial interaction or homeostatic imbalance that can contribute to a disease state often with inflammation.

A plant genus of the family APIACEAE. The leaves are the source of cilantro and the seeds are the source of coriander, both of which are used in SPICES.

Inherited abnormalities of fructose metabolism, which include three known autosomal recessive types: hepatic fructokinase deficiency (essential fructosuria), hereditary fructose intolerance, and hereditary fructose-1,6-diphosphatase deficiency. Essential fructosuria is a benign asymptomatic metabolic disorder caused by deficiency in fructokinase, leading to decreased conversion of fructose to fructose-1-phosphate and alimentary hyperfructosemia, but with no clinical dysfunction; may produce a false-positive diabetes test.

A system of traditional medicine which is based on the beliefs and practices of the African peoples. It includes treatment by medicinal plants and other materia medica as well as by the ministrations of diviners, medicine men, witch doctors, and sorcerers.

Prevalence of people reporting sensitivities to chemicals in a population-based survey. (1/104)

To describe the prevalence and correlates of reports about sensitivities to chemicals, questions about chemical sensitivities were added to the 1995 California Behavior Risk Factor Survey (BRFS). The survey was administered by telephone to 4,046 subjects. Of all respondents, 253 (6.3%) reported doctor-diagnosed "environmental illness" or "multiple chemical sensitivity" (MCS) and 643 (15.9%) reported being "allergic or unusually sensitive to everyday chemicals." Sensitivity to more than one type of chemical was described by 11.9% of the total sample population. Logistic regression models were constructed. Hispanic ethnicity was associated with physician-diagnosed MCS (adjusted odds ratio (OR) = 1.82, 95% confidence interval (CI) 1.21-2.73). Female gender was associated with individual self-reports of sensitivity (adjusted OR = 1.63, 95% CI 1.23-2.17). Marital status, employment, education, geographic location, and income were not predictive of reported chemical sensitivities or reported doctor diagnosis. Surprising numbers of people believed they were sensitive to chemicals and made sick by common chemical exposures. The homogeneity of responses across race-ethnicity, geography, education, and marital status is compatible with a physiologic response or with widespread societal apprehensions in regard to chemical exposure. (+info)

A review of multiple chemical sensitivity. (2/104)

OBJECTIVE: To review critically the scientific literature on multiple chemical sensitivity (MCS). Definitions of MCS vary but, for this review, a broad definition of MCS was adopted as symptoms in more than one organ system elicited by various unrelated chemicals at very low levels of exposure. METHODS: A systematic literature search identified several hundred references from which key papers were selected. Two questions are considered, does MCS exist and what causes MCS. RESULTS AND CONCLUSIONS: Despite extensive literature on the existence of MCS, there is no unequivocal epidemiological evidence; quantitative exposure data are singularly lacking; and qualitative exposure data are, at best, patchy. There is also some evidence to suggest that MCS is sometimes used as an indiscriminate diagnosis for undiagnosed disorders. Despite this, the collated evidence suggests that MCS does exist although its prevalence generally seems to be exaggerated. Many causal mechanisms have been proposed, some suggesting a physical origin--such as MCS reflecting an immunological overload (total body load)--others favouring a psychological basis--such as MCS symptoms being evoked as part of a conditioned response to previous trauma. The available evidence seems most strongly to support a physical mechanism involving sensitisation of part of the midbrain known as the limbic system. However, it is increasingly being recognised that the psychological milieu of a person can considerably influence physical illness, either through generating a predisposition to disease or in the subsequent prognosis. Work is needed to establish the prevalence of MCS and to confirm or refute selected causal mechanisms. (+info)

Acquisition and extinction of somatic symptoms in response to odours: a Pavlovian paradigm relevant to multiple chemical sensitivity. (3/104)

OBJECTIVES: Multiple chemical sensitivity is a poorly understood syndrome in which various symptoms are triggered by chemically unrelated, but often odorous substances, at doses below those known to be harmful. This study focuses on the process of pavlovian acquisition and extinction of somatic symptoms triggered by odours. METHODS: Diluted ammonia and butyric acid were odorous conditioned stimuli (CS). The unconditioned stimulus (US) was 7.4% CO2 enriched air. One odour (CS+) was presented together with the US for 2 minutes (CS+ trial), and the other odour (CS-) was presented with air (CS-trial). Three CS+ and three CS-exposures were run in a semi-randomised order; this as the acquisition (conditioning) phase. To test the effect of the conditioning, each subject then had one CS+ only--that is, CS+ without CO2--and one CS- test exposure. Next, half the subjects (n = 32) received five additional CS+ only exposures (extinction group), while the other half received five exposures to breathing air (wait group). Finally, all subjects got one CS+ only test exposure to test the effect of the extinction. Ventilatory responses were measured during and somatic symptoms after each exposure. RESULTS: More symptoms were reported upon exposure to CS+ only than to CS-odours, regardless of the odour type. Altered respiratory rate was only found when ammonia was CS+. Five extinction trials were sufficient to reduce the level of acquired symptoms. CONCLUSION: Subjects can acquire somatic symptoms and altered respiratory behaviour in response to harmless, but odorous chemical substances, if these odours have been associated with a physiological challenge that originally had caused these symptoms. The conditioned symptoms can subsequently be reduced in an extinction procedure. The study further supports the plausibility of a pavlovian conditioning hypothesis to explain the pathogenesis of MCS. (+info)

A 37-year-old mechanic with multiple chemical sensitivities. (4/104)

A 37-year-old heating, ventilation, and air-conditioning mechanic developed respiratory, musculoskeletal, and central nervous system symptoms associated with a variety of odorous environmental chemicals. Organic disease was not evident, but the patient was distressed by these symptoms and was at risk for becoming disabled by them. His symptoms fit broadly into the condition recognized as multiple chemical sensitivity. Multiple chemical sensitivity is a diagnostic term for a group of symptoms without demonstrated organic basis. The symptoms are characteristic of dysfunction in multiple organ systems, they increase and decrease according to exposure to low levels of chemical agents in the patient's environment, and they sometimes occur after a distinct environmental change or insult such as an industrial accident or remodeling. Although traditional medical organizations have not agreed on a definition for this syndrome, it is being increasingly recognized and makes up an increasing percentage of the caseload at occupational and environmental medicine clinics. Although there is often dispute about whether the symptoms have a functional or organic basis, an informed approach to evaluation, diagnosis, and management and a careful assessment of impairment, disability, and work relatedness are necessary. Careful exclusion of organic causes is critical, and this should be followed by a judicious approach to coping with symptoms. (+info)

Model development and research vision for the future of multiple chemical sensitivity. (5/104)

Multiple chemical sensitivity (MCS) is characterized by heightened self-reported sensitivity to extremely low concentrations of chemicals. It has numerous symptoms in common with the sick building syndrome, the Gulf War syndrome, and chronic fatigue. Despite much research, reproducible objective findings are lacking for MCS, as is a sound model to explain it. This paper proposes a 2-step model combining the needed epidemiologic terminology with that of psychophysiological activation and sensitization. It is suggested that different environmental stressors act as initiators. After initiation, the limbic system and other parts of the brain become sensitized and hyperreactive to environmental triggers. Odor acts as one important trigger. Future research should use more biological assessments in combination with environmental and psychosocial data and involve patient groups with similar symptoms, although diagnosed as suffering from different entities. The similarities and differences of patients with such entities need to be understood before the entities themselves can be understood, diagnosed, treated, and prevented. (+info)

Psychological test performance during experimental challenge to toluene and n-butyl acetate in cases of solvent-induced toxic encephalopathy. (6/104)

OBJECTIVES: This study determined whether performance in neurobehavioral tests deteriorates during subjectively annoying chemical challenge below known neurotoxic thresholds among persons with toxic encephalopathy with subjective hypersensitivity to chemicals. METHODS: Subjects with symptoms and previous neuropsychological test results compatible with toxic encephalopathy (TE) of either type 2A (N=12) or 2B (N=12) and unexposed referents (N=12) were challenged in an exposure chamber. In a counterbalanced design, the subjects were exposed on 2 occasions to increasing air concentrations of n-butyl acetate and toluene at levels well below the thresholds for neurotoxic effects. Attention and motor speed tests were given (i) in room air outside the chamber before the challenge, (ii) in room air inside the chamber before the exposure, (iii) at 12 ppm (44 or 56 mg/m3), and (iv) at 48 ppm (at 180 or 228 mg/m3). RESULTS: For both substances the TE groups showed a slight increase (deterioration) in the simple reaction-time task during chemical exposure, but not in the complex reaction-time task or in the digit symbol test of the Wechsler Adult Intelligence Scale. Contrary to reference subjects, the TE subjects did not show any improvement or learning effect in the digit symbol test over the chamber phases. n-Butyl acetate tended to affect cognitive functioning more obviously than toluene did. Suggestion or expectancy effects were not observed in any group in the clean-air baseline conditions. CONCLUSIONS: The results do not support the notion that men with subjective hypersensitivity to chemicals would be more affected than healthy men regarding cognitive functioning during annoying solvent exposure below thresholds for acute neurotoxic effects. (+info)

Reproducibility of the University of Toronto self-administered questionnaire used to assess environmental sensitivity. (7/104)

Environmental sensitivity patients report symptoms provoked by low-level exposure to a wide range of substances. Features of published case definitions include nature of onset, chronicity, symptom provocation by multiple substances, symptom provocation by an escalating number of exposures, involvement of multiple body systems including the nervous system, provocation by unrelated substances, and addictive behaviors. This study assessed the reproducibility of a Canadian self-administered questionnaire, the University of Toronto Health Survey, designed to determine the prevalence of the features described in these case definitions. A total of 191 eligible respondents aged 16-70 years who attended several types of medical practices in 1994 were invited to complete a second questionnaire 5-7 months after the first; 134 (70.2%) complied. Total agreement on whether patients satisfied each of seven case definitions ranged from 80% to 90%. After adjustment for chance, major agreement was observed for three of the seven case definitions (kappa = 0.69, 0.68, and 0.78). The survey achieved good reproducibility regarding self-report of symptoms described in published case definitions of environmental sensitivity. (+info)

A 4-year-old girl with manifestations of multiple chemical sensitivities. (8/104)

Multiple chemical sensitivities (MCS) syndrome, also known as idiopathic environmental intolerance, is a controversial diagnosis that encompasses a wide range of waxing and waning, subjective symptoms referable to more than one body system and provoked by exposure to low levels of chemicals, foods, or other agents in the environment. Although MCS has been studied extensively, a unifying mechanism explaining the illness remains obscure, and clinicians are divided as to whether such a medical entity exists separately from psychosomatic syndromes. MCS is an adult diagnosis; there is little reference to pediatric cases in the scientific literature. In this case from the Pediatric Environmental Health Subspecialty Unit at Boston's Children's Hospital, I present the case of a preschool child who had suffered from milk allergy and poor weight gain as an infant, and then later developed asthma, allergic symptoms, sinusitis, headaches, fatigue, and rashes precipitated by an expanding variety of chemicals, foods, and allergens. I review definitions, mechanisms, diagnostic strategies, and management, and discuss some uniquely pediatric features of MCS as illustrated by this case. (+info)

Multiple Chemical Sensitivity (MCS) is a condition characterized by a heightened sensitivity to various environmental chemicals, including volatile organic compounds (VOCs), pesticides, cleaning products, perfumes, and other common household and industrial chemicals. People with MCS may experience a range of symptoms, including headaches, fatigue, dizziness, nausea, respiratory problems, skin irritation, and difficulty concentrating, after exposure to low levels of these chemicals. MCS is not recognized as a formal medical diagnosis by the American Medical Association or the World Health Organization, and its cause is not well understood. Some experts believe that MCS may be related to an overactive immune system or neurological sensitivity, while others suggest that it may be caused by psychological factors such as anxiety or depression. Treatment for MCS typically involves avoiding exposure to trigger chemicals and managing symptoms through lifestyle changes and medications.

Environmental illness, also known as sick building syndrome or building-related illness, is a term used to describe a range of health symptoms that are attributed to exposure to environmental factors in a building or other enclosed space. These symptoms can include headaches, fatigue, dizziness, respiratory problems, skin irritation, and nausea, among others. The exact cause of environmental illness is not always clear, and it can be difficult to diagnose because the symptoms are similar to those of other medical conditions. However, many experts believe that environmental illness is caused by exposure to a combination of factors, including indoor air pollution, mold, volatile organic compounds (VOCs), and other chemicals found in building materials and cleaning products. Treatment for environmental illness typically involves identifying and eliminating the sources of exposure to these environmental factors, as well as managing the symptoms through medication and other supportive therapies. In some cases, people with environmental illness may need to leave their homes or work environments in order to improve their health.

Sick Building Syndrome (SBS) is a term used to describe a group of nonspecific health symptoms that are associated with exposure to indoor environments that are perceived to be of poor air quality. These symptoms can include headaches, fatigue, eye irritation, nose and throat irritation, skin irritation, and respiratory problems. SBS is not a recognized medical diagnosis, but rather a term used to describe a collection of symptoms that are often reported by people who spend a significant amount of time in a particular building. The symptoms of SBS are not always present, and they may be triggered by a variety of factors, including poor ventilation, the presence of indoor pollutants, and the use of certain building materials or cleaning products. SBS is not a contagious disease, and it is not caused by a specific illness or infection. Rather, it is thought to be related to the quality of the indoor air and the interactions between the building materials, the occupants, and the environment. Treatment for SBS typically involves identifying and addressing the underlying causes of the symptoms, such as improving ventilation, reducing indoor pollutants, and addressing any underlying medical conditions that may be contributing to the symptoms.

Psychophysiologic disorders, also known as psychosomatic disorders or somatization disorders, are a group of conditions in which physical symptoms are caused or exacerbated by psychological factors. These disorders are characterized by the presence of multiple, persistent, and often vague physical symptoms that are not explained by a medical condition or substance use. Examples of psychophysiologic disorders include irritable bowel syndrome, chronic fatigue syndrome, fibromyalgia, and temporomandibular joint disorder (TMJ). These conditions can cause significant distress and disability, and may be difficult to diagnose and treat because the physical symptoms are not directly related to a specific underlying medical condition. Psychophysiologic disorders are often treated with a combination of psychological therapy and medication. Cognitive-behavioral therapy (CBT) is a common type of therapy used to treat these conditions, as it can help individuals identify and change negative thought patterns and behaviors that may be contributing to their physical symptoms. Medications such as antidepressants and anti-anxiety drugs may also be prescribed to help manage symptoms.

Persian Gulf Syndrome, also known as Gulf War Syndrome, is a term used to describe a group of symptoms that were reported by military personnel who served in the Persian Gulf War of 1990-1991. The symptoms include fatigue, muscle and joint pain, memory problems, headaches, and respiratory problems. Some individuals also reported experiencing skin rashes, gastrointestinal problems, and depression. The exact cause of Persian Gulf Syndrome is not fully understood, but it is believed to be related to exposure to a combination of environmental factors, including pesticides, nerve agents, and other chemicals, as well as stress and lack of sleep. Some researchers have also suggested that the syndrome may be related to the use of vaccines and medications given to military personnel before and during the war. Despite extensive research, there is still no definitive diagnosis or treatment for Persian Gulf Syndrome. However, many of the symptoms can be managed with medications and other therapies.

Toluene is a colorless, sweet-smelling liquid that is commonly used as a solvent in various industries, including the medical field. In the medical field, toluene is used as a topical anesthetic to numb the skin and reduce pain during medical procedures such as injections, wound care, and skin biopsies. It is also used as a component in some medications and as a cleaning agent for medical equipment. However, it is important to note that toluene can be toxic if ingested or inhaled in large amounts, and medical professionals are trained to use it safely and appropriately.

Fructose is a simple sugar that is found naturally in many fruits, honey, and some vegetables. It is also added to many processed foods as a sweetener. In the medical field, fructose is often used as a source of energy for the body and is an important component of the diet for people with certain medical conditions, such as diabetes. However, excessive consumption of fructose has been linked to a number of health problems, including obesity, type 2 diabetes, and non-alcoholic fatty liver disease. As a result, many healthcare professionals recommend limiting the amount of fructose in the diet.

Malabsorption syndromes are a group of conditions that affect the body's ability to absorb nutrients from food. These conditions can be caused by a variety of factors, including damage to the digestive tract, genetic disorders, and certain medications. Malabsorption syndromes can lead to a range of symptoms, including diarrhea, weight loss, fatigue, and nutrient deficiencies. Treatment for malabsorption syndromes typically involves dietary changes and the use of supplements to provide the body with the nutrients it needs. In some cases, surgery may be necessary to correct structural problems in the digestive tract.

Fructose intolerance is a rare genetic disorder in which the body is unable to properly digest and absorb fructose, a type of sugar found in many fruits, vegetables, and sweeteners. People with fructose intolerance have a deficiency in the enzyme aldolase B, which is needed to break down fructose into simpler sugars that can be absorbed by the body. As a result, fructose intolerance can cause a range of symptoms, including abdominal pain, bloating, diarrhea, nausea, vomiting, and headache. In severe cases, it can lead to liver damage and other serious health problems. Fructose intolerance is typically diagnosed through a combination of medical history, physical examination, and laboratory tests, such as a fructose tolerance test or genetic testing. Treatment typically involves avoiding foods and drinks that contain fructose and replacing it with other types of carbohydrates, such as glucose or galactose. In some cases, dietary supplements or medications may also be recommended to manage symptoms.

Dysbiosis is a term used in the medical field to describe an imbalance in the normal microbiota, which is the collection of microorganisms that live in and on the human body. The microbiota includes bacteria, viruses, fungi, and other microorganisms that play important roles in maintaining health and preventing disease. Dysbiosis can occur when the balance of the microbiota is disrupted, either by the presence of too many or too few of certain types of microorganisms, or by changes in the types of microorganisms that are present. This can be caused by a variety of factors, including the use of antibiotics, stress, poor diet, and exposure to toxins. Dysbiosis has been linked to a number of health problems, including inflammatory bowel disease, obesity, allergies, and autoimmune disorders. It is also thought to play a role in the development of certain types of cancer. Treatment for dysbiosis typically involves restoring the balance of the microbiota through the use of probiotics, prebiotics, and other dietary and lifestyle changes. Probiotics are live microorganisms that are similar to the beneficial bacteria that naturally live in the body, and they can help to restore the balance of the microbiota. Prebiotics are substances that promote the growth of beneficial bacteria in the gut.

Coriandrum is a genus of plants in the family Apiaceae, commonly known as cilantro or coriander. In the medical field, coriander is used as a traditional medicine for various purposes, including: 1. Digestive disorders: Coriander is believed to have carminative properties, which means it can help relieve gas, bloating, and indigestion. 2. Antioxidant activity: Coriander contains antioxidants that can help protect the body against damage from free radicals. 3. Anti-inflammatory effects: Coriander has been shown to have anti-inflammatory properties, which may help reduce inflammation in the body. 4. Antimicrobial activity: Coriander has been found to have antimicrobial properties, which may help fight off infections caused by bacteria and fungi. 5. Hypoglycemic effects: Coriander has been shown to lower blood sugar levels, which may be beneficial for people with diabetes. However, it is important to note that while coriander has been used in traditional medicine for centuries, there is limited scientific evidence to support its effectiveness for these purposes. More research is needed to fully understand the potential health benefits of coriander.

Fructose metabolism, inborn errors refer to a group of rare genetic disorders that affect the body's ability to properly metabolize fructose, a type of sugar found in many fruits and honey. These disorders are caused by mutations in genes that are involved in the metabolism of fructose, leading to a buildup of fructose in the blood and liver. The most common inborn error of fructose metabolism is hereditary fructose intolerance (HFI), which is caused by a deficiency in the enzyme aldolase B. This enzyme is responsible for breaking down fructose into two simpler sugars, glucose and glyceraldehyde. In HFI, the deficiency of aldolase B leads to a buildup of fructose in the blood and liver, which can cause symptoms such as abdominal pain, vomiting, and diarrhea. Other inborn errors of fructose metabolism include hereditary fructose intolerance with cataracts (HFI-C), hereditary fructose intolerance with renal tubular acidosis (HFI-RTA), and hereditary fructose intolerance with cataracts and renal tubular acidosis (HFI-CTA). These disorders are caused by mutations in different genes and can cause a range of symptoms, including liver damage, kidney problems, and vision loss. Diagnosis of inborn errors of fructose metabolism typically involves blood tests to measure fructose levels and genetic testing to identify mutations in the relevant genes. Treatment typically involves avoiding foods and drinks that contain fructose and replacing it with other sources of energy, such as glucose. In severe cases, hospitalization and intravenous fluids may be necessary to prevent complications.

Interagency Workgroup on Multiple Chemical Sensitivity (1998-08-24), A Report on Multiple Chemical Sensitivity (MCS), Web. ... "Multiple Chemical Sensitivity (MCS): History, Epidemiology and Mechanism" [Multiple Chemical Sensitivity (MCS): History, ... International Programme on Chemical Sensitivity (February 1996). "Report of Multiple Chemical Sensitivities Workshop" (PDF). ... Multiple Chemical Sensitivities". Osha.gov. Retrieved 2014-06-08. Lax MB, Henneberger PK (1995). "Patients with multiple ...

https://en.wikipedia.org/wiki/Multiple_chemical_sensitivity

Inquiry into Multiple Chemical Sensitivity (PDF file), Parliament of South Australia, 2005 Page on AAEM Archived 2012-10-10 at ... Harrison, Robert (2014). "Multiple Chemical Sensitivity". Current Occupational & Environmental Medicine (Fifth ed.). New York: ... causing multiple chemical sensitivity and other disorders. Members of the academy may have a background in the field of allergy ... for promoting the diagnosis of multiple chemical sensitivity. The Society for Clinical Ecology was founded in 1965, and ...

https://en.wikipedia.org/wiki/American_Academy_of_Environmental_Medicine

Ecological health has been used as a medical term in reference to human allergy and multiple chemical sensitivity and as a ... McCormick, Gail (2001). Living with multiple chemical sensitivity. North Carolina: McFarland and Company, 296 pages. " ... Good indicators must have an independently validated high predictive value, that is high sensitivity (high probability of ... chemical spills, and a host of other reasons. There is no universally accepted benchmark for a healthy ecosystem, rather the ...

https://en.wikipedia.org/wiki/Ecosystem_health

Many of the symptoms described in SBS and multiple chemical sensitivity (MCS) resemble the symptoms known to be elicited by ... Anderson, RC; Anderson, JH (1999). "Sensory irritation and multiple chemical sensitivity". Toxicology and Industrial Health. 15 ... Other risk factors, such as chemical toxins/irritants (e.g. amines, formaldehyde, acetaldehyde, acrolein, N-decane, VOCs, ozone ... ISBN 978-0-323-14394-3. Denton, E. J.; Pirenne, Maurice Henri (1954), "The absolute sensitivity and functional stability of the ...

https://en.wikipedia.org/wiki/Human_eye

"Brain dysfunction in multiple chemical sensitivity". J. Neurol. Sci. 287 (1-2): 72-8. doi:10.1016/j.jns.2009.09.003. PMID ... and multiple chemical sensitivity. In migraine, stimulation of the trigeminal nerve causes neurogenic inflammation via release ... Meggs, William J. The Role of Neurogenic Inflammation in Chemical Sensitivity (2017) EcopsychologyVol. 9, No. 2 Published ...

https://en.wikipedia.org/wiki/Neurogenic_inflammation

... ecological health has been used to refer to multiple chemical sensitivity, which results from exposure to synthetic chemicals ( ... Multiple chemical sensitivity: a survival guide. New Harbinger Publications Incorporated, 375 Pages. Sorensen, Gloria et al. ( ... Articles with multiple maintenance issues, Wikipedia articles needing clarification from October 2011, Environmental health). ...

https://en.wikipedia.org/wiki/Ecological_health

Sorg, Barbara A. (1999). "Multiple Chemical Sensitivity: Potential Role for Neural Sensitization". Critical Reviews in ... Gavura, Scott (3 July 2014). "Multiple Chemical Sensitivity: Separating facts from fiction". sciencebasedmedicine.org. ... Multiple chemical sensitivity is an unrecognized controversial diagnosis characterized by chronic symptoms attributed to ... Science: Fake Diseases, Scott Gavura, Science Based Medicine Genuis, Stephen J. (2013). "Chemical Sensitivity: Pathophysiology ...

https://en.wikipedia.org/wiki/List_of_diagnoses_characterized_as_pseudoscience

Living with multiple chemical sensitivity: narratives of coping. Jefferson, NC: McFarland and Company, 2000. ISBN 978-0-7864- ...

https://en.wikipedia.org/wiki/Terri_Crawford_Hansen

The worker with multiple chemical sensitivities: an overview. Occup Med. 1987;2:655-61. ACOEM position statement. Multiple ... Twentieth century critics of clinical ecology charged that multiple chemical sensitivity (MCS) had never been clearly defined, ... Journal of Allergy and Clinical Immunology 78:269-270, 1986 Position Statement on Multiple Chemical Sensitivities: Idiopathic ... known as multiple chemical sensitivities (MCS). During the 1980s the movement was rejected by some medical organizations and ...

https://en.wikipedia.org/wiki/Clinical_ecology

She is known for studying multiple chemical sensitivity and homeopathy. Bell is a longstanding environmental illness advocate, ... Fish, Sandra (18 March 1996). "Chemical Sensitivity". Chicago Tribune. Retrieved 21 June 2015. Deardorff, Julie (6 March 2011 ... Bell's research focuses on integrative health care and she has received multiple grants from the National Institutes of Health ...

https://en.wikipedia.org/wiki/Iris_Bell

Those who have Multiple Chemical Sensitivity are at greater risk of toxic injury. In America, May is recognized as Multiple ... "MCS America Celebrates Multiple Chemical Sensitivity and Toxic Injury Awareness Month". PRLog Press Release Distribution. 29 ... Injuries due to chemical exposure are often more severe due to the nature of these highly toxic substances. Common toxins that ... Chemical Sensitivity and Toxic Injury Awareness Month. Every toxic injury or exposure to a toxin has different effects and ...

https://en.wikipedia.org/wiki/Toxic_injury

The list of symptoms is similar to that of multiple chemical sensitivity. Many patients presenting with symptoms of ... environmental sensitivity claim to suffer from multiple "fashionable" syndromes. The American Academy of Allergy, Asthma, and ...

https://en.wikipedia.org/wiki/Candida_hypersensitivity

Environmental disease Environmental health Environmental Toxicology Toxicology Multiple chemical sensitivity Clinical ecology ... The effects of chemicals on humans, such as dioxin, especially with regards to developmental effects and cancer. Radon gas ... Environmental factors in the causation of environmental diseases can be classified into: Physical Chemical Biological Social ( ...

https://en.wikipedia.org/wiki/Environmental_medicine

Long-term potentiation Multiple chemical sensitivity Neuroplasticity Synaptic plasticity Shettleworth, S. J. (2010). Cognition ... overactive bladder and some medically unexplained syndromes such as fibromyalgia and multiple chemical sensitivity. ... Several examples of neural sensitization include: Electrical or chemical stimulation of the rat hippocampus causes ... neurons increases an animal's sensitivity to drug as well as natural rewards and promotes drug self-administration, presumably ...

https://en.wikipedia.org/wiki/Sensitization

... and Autonomic Function in Patients with Multiple Chemical Sensitivities". Archives of Otolaryngology-Head & Neck Surgery. 114 ( ... Doty, R. L.; Deems, D. A.; Frye, R. E.; Pelberg, R.; Shapiro, A. (1988). "Olfactory Sensitivity, Nasal Resistance, ...

https://en.wikipedia.org/wiki/Richard_E._Frye

Mike comes to Alaska to escape the pollution that gave him multiple chemical sensitivity. Maggie O'Connell, attracted by Mike's ...

https://en.wikipedia.org/wiki/List_of_Northern_Exposure_characters

Batrachotoxin Cytotoxicity Multiple chemical sensitivity Nephrotoxicity Ototoxicity Penitrem A Excitotoxicity Toxicity Cunha- ... Another chemical in the brain that Aβ regulates is JNK; this chemical halts the extracellular signal-regulated kinases (ERK) ... CS1 maint: multiple names: authors list, CS1 errors: generic name, Wikipedia articles needing page number citations from March ... Neurotoxicity is a form of toxicity in which a biological, chemical, or physical agent produces an adverse effect on the ...

https://en.wikipedia.org/wiki/Neurotoxicity

He wrote extensively about his clinical research into multiple chemical sensitivity (MCS), a controversial condition at that ... ISBN 0-398-01548-1. Multiple chemical sensitivity Clinical ecology Theron Grant Randolph gravestone Sullivan, Ronald (5 October ... "Prevalence of multiple chemical sensitivities: a population-based study in the southeastern United States". Am J Public Health ... He studied food allergies, chemical sensitivities, and preventive care. Randolph, along with some other American allergists, ...

https://en.wikipedia.org/wiki/Theron_Randolph

Masters, Rogers D. "Validity of Head Hair Analysis and Methods of Assessing Multiple Chemical Sensitivity". Dartmouth College. ... Chemical hair analysis may be considered for retrospective purposes when blood and urine are no longer expected to contain a ... Chemical hair analysis is used for the detection of many therapeutic drugs and recreational drugs, including cocaine, heroin, ... Hair analysis may refer to the chemical analysis of a hair sample, but can also refer to microscopic analysis or comparison. ...

https://en.wikipedia.org/wiki/Hair_analysis

It is a form of multiple chemical sensitivity, a more general phenomenon for this diagnosis. Symptoms depend on each person's ... Sorg, Barbara A. (1999). "Multiple Chemical Sensitivity: Potential Role for Neural Sensitization". Critical Reviews in ... in the form of asthma and chemical sensitivities. Results aggregated from both surveys found that 30.5% of the general ... Although products can be labeled "fragrance-free", many still contain lesser-known fragrance chemicals that consumers may not ...

https://en.wikipedia.org/wiki/Perfume_intolerance

Victims have reported: fatigue, fibromyalgia, premature ageing, loss of short-term memory, and multiple chemical sensitivity. ... Stephens stated that after the site meeting where he confirmed he had delivered the chemical to the wrong tank he was told by ... On 6 July 1988, John Stephens, a relief tanker driver working for ISC Chemicals, a Bristol-based subsidiary of Rio Tinto Zinc, ... The final report was published in April 2013, and concluded that it was unlikely that the exposure to chemicals could have ...

https://en.wikipedia.org/wiki/Camelford_water_pollution_incident

She has done extensive research in the fields of sick building syndrome and multiple chemical sensitivity. In the past she has ... Dalton, Pamela (1996), Odor Perception and Beliefs about Risk, Monell Chemical Senses Center: Chemical Senses, archived from ... She currently works at the Monell Chemical Senses Center. Dalton was a contributor to the NIH Toolbox for the Assessment of ... Monell Chemical Senses Center, 5 (3): 199-200, doi:10.1038/nn803, PMID 11865309, S2CID 9432467, archived from the original on ...

https://en.wikipedia.org/wiki/Pamela_Dalton

Multiple Chemical Sensitivity Awareness, J. Edward Hill, MD, President & Executive Committee Member, AMA Horton, M. K.; Rundle ... Due to this sensitivity and pollinator decline, pyrethrins are recommended to be applied at night to avoid typical pollinating ... Pyrethrins were identified as the potent chemical in the Chrysanthemum plants responsible for the insecticidal properties in ... Pyrethrins have shorter environmental persistence than synthetic pyrethroids because their chemical structure is more ...

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... a pavlovian perspective on multiple chemical sensitivity". Psychosom. Med. 62 (6): 751-59. CiteSeerX 10.1.1.320.169. doi: ... Olfaction as a sensory system brings awareness of the presence of airborne chemicals. Some inhaled chemicals are volatile ... Chemical Analysis" (PDF). Chemical Engineering Transactions. 30: 103. Jiang, J; Coffey, P; Toohey, B (2006). "Improvement of ... The same chemicals are also associated with the smell of blood, as ferrous iron in blood on skin produces the same reaction. ...

https://en.wikipedia.org/wiki/Odor

... and Multiple Chemical Sensitivity (Allergy Medicine). Most medical specialties define their own functional somatic syndrome, ... leading to multiple and variable symptoms. Less commonly there is a single prominent symptom or organ system affected. Most ... Multiple Sclerosis and Epilepsy. Personality style has been suggested as a risk factor in the development of functional ... multiple (invasive) diagnostic procedures, ineffective treatments and not getting an explanation for symptoms can increase ...

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For persons with asthma or multiple chemical sensitivity the smoke from fireworks may aggravate existing health problems. ... Many of the chemicals used in the manufacture of fireworks are non-toxic, while many more have some degree of toxicity, can ... 42 (CS1 maint: multiple names: authors list, All articles with dead external links, Articles with dead external links from May ... The book outlines chemical formulas for the composition of fireworks. This early fascination with fireworks' noise and color ...

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... may refer to: Multiple chemical sensitivity, a chronic increase in sensitivity to common chemicals Food ... This disambiguation page lists articles associated with the title Chemical sensitivity. If an internal link led you here, you ... a negative reaction to chemical components in the diet Drug intolerance or drug sensitivity, a lower threshold to the normal ...

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"Multiple chemical sensitivity (MCS) and others: Allergological, environmental and psychological investigations in individuals ... "Chemosensory function and psychological profile in patients with multiple chemical sensitivity: Comparison with odor-sensitive ... "Parameters of UVB radiation sensitivity in humans: in vitro and in vivo models for testing photosensitizing and photoprotective ... "Evidence of increased UV sensitivity in patients with malignant melanoma" 1994 - Grünenthal sponsorship award "Skin and ...

https://en.wikipedia.org/wiki/Bernadette_Eberlein

Kanck was successful in moving a motion to refer the matter of Multiple Chemical Sensitivity to the Social Development ...

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... implant recipients and persons with multiple chemical sensitivity". Toxicology and Industrial Health. 15 (3-4): 386-397. doi: ... UT Health Science Center Discover Magazine: Extreme Chemical Sensitivity Makes Sufferers Allergic to Life "We Are All West ... Chapters Miller CS (2003). Doty R (ed.). "Multiple Chemical Intolerance". Handbook of Olfaction and Gustation (2nd ed.). New ... chemical intolerance, and Gulf War veterans illnesses." Miller's work focuses on the role of chemical exposures on human health ...

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https://en.wikipedia.org/wiki/Multiple_chemical_sensitivity

... and dispels some myths about it and other sensitivities. ... While one chemical might not be a problem, multiple chemicals ... www.nicnas.gov.au/chemical-information/information-sheets/factsheets-on-specific-topics/multiple-chemical-sensitivity-review- ... Myths about Electromagnetic Hypersensitivity and Multiple Chemical Sensitivity. As if we didnt have enough things to worry ... Rea blames mold, yeast, EMF, allergies, and multiple chemical sensitivity (MCS) for his patients vague subjective complaints. ...

https://www.skeptic.com/reading_room/myths-about-electromagnetic-sensitivity-multiple-chemical-sensitivity/

Environmental Sensitivities or Intolerances (ES) / Multiple Chemical Sensitivity (MCS) is an acquired environment linked ... and the report Multiple Chemical Sensitivity Discriminant Validity of Case Definitions ((in the Archives of Environmental ... Reproducible symptoms with repeated chemical exposure and to multiple chemically-unrelated substances ...

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In the same way that Asthma was misunderstood, Multiple Chemical Sensitivity Syndrome (MSC) is a present-day health problem ... Since the 1940s, there was controversy and confusion around multiple chemical sensitivity (MCS). Present-day MSC Syndrome ... Researching the correlation between multiple chemical sensitivity and other hypersensitivity illnesses may help narrow down the ... Initially, patients with chemical sensitivity often have many health complaints without having a specific diagnosis of a ...

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Those that have Multiple chemical sensitivity (also known as (MCS) have a wide range of symptoms and are either ignored or in ... What Is Multiple Chemical Sensitivity?. Health Issues Multiple Chemical Sensitivity is a condition that most mainstream health ... Even when around chemicals that are regarded as safe.. Multiple Chemical Sensitivity is similar to an allergy, but the symptoms ... More about Multiple Chemical Sensitivity (MCS) See - here. Many that suffer with MCS are also Electro-Sensitive - sensitive to ...

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Study Name: Pulsed Electromagnetic Fields for Multiple Chemical Sensitivity. Condition: Multiple Chemical Sensitivity. Date: ... Mindfulness-based Cognitive Therapy for Individuals With Multiple Chemical Sensitivity. Condition: Multiple Chemical ... Multiple Chemical Sensitivity - 7 Studies Found. Status. Study Completed. ... Condition: Multiple Chemical Sensitivities. Date: 2008-04-28. Interventions: Behavioral: Minfulness-based cognitive therapy ...

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She has been a leading chemical sensitivity (MCS) and disability advocate for the past 25 years. ... MULTIPLE CHEMICAL SENSITIVITY. People with multiple chemical sensitivity (MCS) are made sick by exposures to low levels of many ... MULTIPLE CHEMICAL SENSITIVITY BOOKLET. Dr. McCampbell has written an excellent introductory booklet entitled Multiple Chemical ... She was a founding board member of the Chemical Sensitivity Foundation and currently is Co-Chair of the Multiple Chemical ...

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Assessing beliefs about environmental illness/multiple chemical sensitivity. Rebecca L. Gomez, Roger W. Schvaneveldt, Herman ... Dive into the research topics of Assessing beliefs about environmental illness/multiple chemical sensitivity. Together they ...

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Multiple Chemical Sensitivity by Alison Johnson. Multiple Chemical Sensitivity-A Life-Altering Condition Produced and directed ... by Alison Johnson We have inundated our environment with thousands of chemicals, many known to be toxic and many more […]. ...

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... is a musculoskeletal pain syndrome characterized by multiple discrete tender points (TPs), fatigue, and sleep disturbance in ... Multiple chemical sensitivity syndrome. * Restless leg syndrome. * Periodic limb movements in sleep (PLMS) ... Central sensitivity syndromes: a new paradigm and group nosology for fibromyalgia and overlapping conditions, and the related ... Yunus proposes a class of disorders called central sensitivity syndromes (CSSs), which result from changes in the central ...

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Multiple chemical sensitivity. Multiple chemical sensitivity (MCS) is a condition whose precise workings remain elusive, but ...

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B. Multiple Chemical Sensitivity. Plaintiff asse1is the ALJ e1rnd in failing to find plaintiffs multiple chemical sensitivity ... Wei both diagnosed plaintiff with multiple chemical sensitivity and plaintiff cites to a number of her purpo1ied symptoms. Pl ... 343, 406.) In fact, plaintiff reported she suffered from fatigue due to her multiple chemical sensitivity, and the weakness and ... 29, 56.) The ALJ also found that despite claiming multiple chemical sensitivity, plaintiff "has not seen an immunologist or ...

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Listing of Chemical-related topic pages on the NIOSH Web site. ... Multiple chemical sensitivity is a commonly used diagnostic ... Chemical hypersensitivity; Chemicals; MCS; Multiple chemical sensitivity; Psychological factors; Pulmonary system disorders; ... Pulmonary effects; Psychosocial factors; Medical care; Author Keywords: Multiple chemical sensitivity; Asthma; Chemical ... The symptoms are characteristic of dysfunction in multiple organ systems, wax and wane according to exposure to low levels of ...

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Multiple Chemical Sensitivity; Environmental Illness). By Donald W. Black , MD, University of Iowa, Roy J. and Lucille A. ... Hauge CR, Rasmussen A, Piet J, et al: Mindfulness-based cognitive therapy (MBCT) for multiple chemical sensitivity (MCS): ... defined as the development of multiple symptoms attributed to exposure to any number of identifiable or unidentifiable chemical ... Symptoms are numerous, often involving multiple organ systems, but physical findings are unremarkable. Diagnosis is by ...

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Multiple chemical sensitivity (MCS) Please login or create a free account to see research statistics filtered on Fruits Cause ... Multiple chemical sensitivity (MCS) (2279) Please login or create a free account to see research statistics filtered on Fruits ...

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Multiple Chemical Sensitivity, also known as MCS, idiopathic environmental intolerance, sick building syndrome, or even simply "environmental illness," is a condition with a wide-range of symptoms and triggers. (biologixcenter.com)
No universally accepted definition exists, but idiopathic environmental intolerance is generally defined as the development of multiple symptoms attributed to exposure to any number of identifiable or unidentifiable chemical substances (inhaled, touched, or ingested) or other exposures in the absence of clinically detectable organ dysfunction or related physical signs. (msdmanuals.com)

Multiple chemical sensitivity (MCS), also known as idiopathic environmental intolerances (IEI), is an unrecognized and controversial diagnosis characterized by chronic symptoms attributed to exposure to low levels of commonly used chemicals. (wikipedia.org)
Some people with MCS appear to have excess production of inflammatory cytokines, but this phenomenon is not specific to MCS and overall there is no evidence that low-level chemical exposure causes an immune response. (wikipedia.org)
It has been hypothesized that there is a heritable genetic trait which pre-disposes people to be hypersensitive to low-level chemical exposure and so develop MCS. (wikipedia.org)
While the presence of this condition is questioned, physicians and pediatricians agree that there is a significant subculture of patients who go to great lengths to avoid exposure to chemicals that are commonly found in modern homes, classrooms, and workplaces. (theaircleanerstore.com)
They often report being symptom free prior to the chemical exposure. (theaircleanerstore.com)
Chemical exposure produces reactions to the offensive chemical. (theaircleanerstore.com)
Those that have been over-exposed to a one-time chemical explosion , etc spillage, leakages, gases etc (even if they were detoxed at the time) may show no signs of long term side effects/damage at the time of exposure. (organised-crime-of-covert-electronic-assault-nz.com)
We have got to the stage where it is near impossible to get away from daily low-level chemical exposure. (organised-crime-of-covert-electronic-assault-nz.com)
This is a great opportunity to speak with a doctor who is knowledgeable about chemical sensitivity, at a reasonable cost, and without having to travel or risk exposure to a medical office. (annmccampbellmd.com)
However, the levels of exposure considered "safe" for most people, can greatly impact a person struggling with multiple chemical sensitivity. (biologixcenter.com)
The symptoms are characteristic of dysfunction in multiple organ systems, wax and wane according to exposure to low levels of chemical agents in the patient's environment, and sometimes begin after a distinct environmental change or insult such as an industrial accident or remodeling. (cdc.gov)
There is probably no single one chemical exposure responsible for these illnesses, but more likely a mixed exposure of chemical classes such as particulate matter and oxygenated organic species (oxidized volatile organic compounds that are likely biologically reactive and potentially cause cell damage and increase susceptibility to disease). (cdc.gov)
Toxic Tort is a personal injury or property damage caused by chemical exposure, pollution, or toxin exposure. (mcdonaldworley.com)
So, if you have an injury because of exposure to toxic chemicals, you should share what happened with our attorneys. (mcdonaldworley.com)
Central neurological abnormalities and multiple chemical sensitivity caused by chronic toluene exposure. (bvsalud.org)
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. (bvsalud.org)
Objectives: Setting occupational exposure limits (OELs) for odorous or irritating chemicals is a global occupational health challenge. (cdc.gov)
To identify such con- diseases due to exposure to airborne chemicals. (cdc.gov)
Lastly, ies around the globe attempt to set OELs at concen- there are some workers who, due to prior exposure experiences, have a heightened sensitivity to the presence of chemicals. (cdc.gov)
Health-care providers should report suspect cases of intentional chemical exposure to their local poison-control center and to a public health agency. (cdc.gov)

In the same way that Asthma was misunderstood, Multiple Chemical Sensitivity Syndrome (MSC) is a present-day health problem that is erroneously perceived as a psychological disorder rather than a legitimate physical condition. (theaircleanerstore.com)
Terpenes can react with components in the indoor environment to form new chemicals that might be the irritants responsible for the observed increases in work-related asthma. (cdc.gov)

Yunus proposes a class of disorders called central sensitivity syndromes (CSSs), which result from changes in the central nervous system (CNS). (medscape.com)
Fibromyalgia and overlapping disorders: the unifying concept of central sensitivity syndromes. (medscape.com)

Dr. McCampbell offers phone consultations for people with chemical sensitivity and other environmentally related illnesses. (annmccampbellmd.com)
Dr. McCampbell also offers medical legal consultations in cases involving chemical sensitivity and other environmentally related illnesses. (annmccampbellmd.com)

Although these symptoms can be debilitating, MCS is not recognized as an organic, chemical-caused illness by the World Health Organization, American Medical Association, nor any of several other professional medical organizations. (wikipedia.org)
the existence and severity of symptoms is seemingly related to the perception that a chemical stimulus is present. (wikipedia.org)
There is a general agreement among most MCS researchers that the cause is not specifically related to sensitivity to chemicals, but this does not preclude the possibility that symptoms are caused by other known or unknown factors. (wikipedia.org)
Those that have Multiple chemical sensitivity (also known as (MCS) have a wide range of symptoms and are either ignored or in many cases mis-diagnosed as mentally ill by health care professionals. (organised-crime-of-covert-electronic-assault-nz.com)
MCS is a condition that creates an extreme sensitivity to various chemicals resulting in the person becoming very ill - with a wide range of symptoms. (organised-crime-of-covert-electronic-assault-nz.com)
Multiple Chemical Sensitivity is similar to an allergy, but the symptoms and mechanism are not the same, like those of traditional allergies to pollen, animals, and dust. (organised-crime-of-covert-electronic-assault-nz.com)
Symptoms: Ears would hurt, throat and tongue swell, face turned red, etc., at the slightest whiff of a chemical smell. (emdrsolutions.com)
While they may recognize the legitimacy of a patient's symptoms, the American Medical Association, as well as most medical doctors and professionals, do not consider multiple chemical sensitivity to be a legitimate illness in and of itself. (biologixcenter.com)
Patients struggling with MSC symptoms first lose their ability to tolerate fragrances and chemicals such as those found in air-fresheners, perfumes, colognes, personal care products, detergents, fabric softeners, paints, and other scented products. (biologixcenter.com)
An itchy skin rash may develop in patients struggling with multiple chemical sensitivity symptoms. (biologixcenter.com)
Multiple chemical sensitivity is a commonly used diagnostic term for a group of symptoms without apparent organic basis. (cdc.gov)
Symptoms are numerous, often involving multiple organ systems, but physical findings are unremarkable. (msdmanuals.com)
Somatic Symptom Disorder Somatic symptom disorder is characterized by multiple persistent physical complaints that are associated with excessive and maladaptive thoughts, feelings, and behaviors related to those symptoms. (msdmanuals.com)
Although no basis for many of the multiple symptoms of patients with fibromyalgia will be found upon physical examination or laboratory testing, the physician must remain alert for organic illness (eg, colon carcinoma in a patient with irritable bowel syndrome). (medscape.com)
2 chemicals can result in symptoms that are not typical for either agent alone. (cdc.gov)

At its most basic, MCS is a sensitivity to many types of chemicals, which causes physical reactions in multiple organ systems. (rom.on.ca)

It features 18 lbs. of activated carbon to adsorb chemicals, gases and odors and a medical-grade HEPA filter to remove 99.97% of all airborne particles down to 0.3 microns. (allbrands.com)
Our units offer more filtration media than any other manufacturer, with the deepest carbon bed filters for chemicals, gases and odors, and superior medical-grade HEPA filters for particle control. (allbrands.com)
Of centrations is difficult for odors and sensory irritants the 600 substances for which an OEL has already because some chemicals have odors that warn of been established, 66% are sensory irritants (Kurtz, their presence before irritation is produced. (cdc.gov)

Crude prevalence estimates, adjusted odds ratios (AORs), and confidence intervals were calculated for multiple chronic diseases and risk factors. (cdc.gov)

Due to the growth of industry and an increase in the use of chemicals, the number of dangerous or toxic substances in our environment has grown considerably. (mcdonaldworley.com)

More foods we consume now, also contain a growing level of chemicals. (organised-crime-of-covert-electronic-assault-nz.com)
The level of chemicals the average person is exposed to each day accumulates within tissues and organs, eventually reaching a tipping point once the body cannot tolerate anymore. (biologixcenter.com)

Train derailment where toxic chemicals spill and the toxic fumes spread out over the surrounding neighborhood, causing respiratory problems. (mcdonaldworley.com)

Environmental Sensitivities or Intolerances (ES) / Multiple Chemical Sensitivity (MCS) is an acquired environment linked condition. (may12th.org)

Dr. McCampbell's services can be especially useful for those who have recently developed chemical sensitivity or "old-timers" who are facing surgery or dealing with a new illness. (annmccampbellmd.com)
When human illness results from an unintentional or intentional release of a toxin (chemicals produced by metabolism in an organism [e.g., ricin]) or a toxicant (natural or synthetic chemicals not metabolically produced by an organism [e.g., nerve agents]) into the environment, uniform reporting is necessary to direct appropriate resources, assess the extent of morbidity and mortality, track poisoned persons, and monitor response to intervention. (cdc.gov)
In this report, CDC presents case definitions to facilitate uniform reporting among local, state, and federal public health agencies of illness resulting from a chemical release. (cdc.gov)
When illness results from an intentional or unintentional chemical release (either known or suspected on the basis of a credible threat) into the environment, uniform reporting is paramount to direct appropriate resources, assess the extent of morbidity and mortality, track poisoned persons, and monitor response to intervention. (cdc.gov)
In this report, CDC presents case definitions to facilitate uniform reporting of illness resulting from a chemical (i.e., toxin and toxicant) release. (cdc.gov)

People with multiple chemical sensitivity (MCS) are made sick by exposures to low levels of many common chemicals - such as perfume, paint, pesticides, solvents, new building materials, vehicle exhaust, and smoke. (annmccampbellmd.com)
Environmental chemical exposures and disturbances of heme synthesis. (medscape.com)

How is multiple chemical sensitivity typically diagnosed? (biologixcenter.com)
Consumer products used in indoor environments for cleaning, surface finishing and deodorizing are typically mixtures of many chemicals. (cdc.gov)
Therefore, use of these case definitions as a surveillance tool, in the absence of a credible threat or a known chemical release, typically results in excessive false-positive reports and is not recommended by CDC. (cdc.gov)

From here, antigen processing and complex immunological responses to the chemicals are also activated by the inflammatory response. (theaircleanerstore.com)

The list of chemicals that have the potential for use as a terrorist weapon is extensive, and clinical presentation of poisoning from chemicals can be similar to that of common diseases (e.g., gastroenteritis). (cdc.gov)
Categorization of lung diseases for which mortality data are presented is limited by the International Classification of Diseases (ICD) coding system used for the National Center for Health Statistics (NCHS) multiple cause-of-death data. (cdc.gov)

Toxic tort lawsuits are filed against a variety of industrial companies, including a company that polluted groundwater by dumping chemicals into its source, asbestos makers/users, a landlord who failed to properly ensure that his property was free from mold or lead paint, or the maker of a drug that is dangerous. (mcdonaldworley.com)

Initially, patients with chemical sensitivity often have many health complaints without having a specific diagnosis of a disease. (theaircleanerstore.com)
I have long been skeptical of the diagnosis of multiple chemical sensitivity (MCS). (skepdoc.info)

Juvenile primary fibromyalgia syndrome (JPFS) is a musculoskeletal pain syndrome characterized by multiple discrete tender points (TPs), fatigue, and sleep disturbance in the child and adolescent. (medscape.com)

Groundwater or soil contamination caused by chemical and waste dumping. (mcdonaldworley.com)
To reduce C. jejuni contamination in poultry meat, various mitigation strategies are used in poultry processing, including chemical treatment with decontamination agents ( 6 ), physical treatment with hot water and steam, and chilling and freezing of carcasses ( 7 ). (cdc.gov)

She has been a leading chemical sensitivity and disability advocate for the past 25 years. (annmccampbellmd.com)
Plaintiff alleges disability due to multiple chemical sensitivity, mixed connective tissue disease, and a head injury resulting in traumatic brain injury. (justia.com)

Toxins are chemicals that are produced by organisms as a result of cellular metabolism (e.g., marine toxins such as saxitoxin or plant toxins such as ricin). (cdc.gov)

Information is in accordance to the 1999 consensus definition on MCS (in the Archives of Environmental Health) and the report Multiple Chemical Sensitivity Discriminant Validity of Case Definitions ((in the Archives of Environmental Health-2001:56(5)406 412). (may12th.org)
The report also explains the rationale for the structure of the case definitions, the audience for whom it is intended, the setting in which the case definitions might be used, and reasons each chemical presented in the report was selected. (cdc.gov)
CDC will create new case definitions and revise existing definitions to meet the needs related to emerging threats and to enhance case definition sensitivity and specificity, when possible, with developing clinical information. (cdc.gov)
The report provides an overview of 1) the settings in which the case definitions might be used, 2) the structure of the case definitions, 3) the rationale for choosing the particular chemicals, and 4) plans for revising the report. (cdc.gov)
In addition, case definitions, which include reference citations, are presented for the selected chemicals. (cdc.gov)
The case definitions in this report should be used by clinicians and public health officials in two settings: 1) after a credible threat of a chemical release or 2) after a known chemical release. (cdc.gov)

There are more products that contain chemical ingredients/gases (including fabrics carpets, packaging etc). (organised-crime-of-covert-electronic-assault-nz.com)

Twenty-four studies found no evidence of sensitivity. (skeptic.com)
The possible answers to these questions might be found in investigating the chemistry of volatile organic compounds found in the indoor environment, developing new sampling methods, and improving assessments of chemical health effects. (cdc.gov)
Toxicants are synthetic (i.e., manufactured) or naturally found chemicals that are not produced by organisms as a result of cellular metabolism (e.g., nerve agents or arsenic). (cdc.gov)

It is well known that the immune system's association with environmental chemicals can result in disease. (theaircleanerstore.com)

In contrast to our current perception about high stress sensitivity of C. jejuni , a number of clinical strains of C. jejuni were highly tolerant to multiple stresses. (cdc.gov)

Clinical knowledge and diagnostic tools (e.g., biologic laboratory tests) for detecting chemical poisoning are likely to improve over time. (cdc.gov)

Multiple Chemical Sensitivity is a condition that most mainstream health professionals are not taught about. (organised-crime-of-covert-electronic-assault-nz.com)
Multiple chemical sensitivity (MCS) is a condition whose precise workings remain elusive, but with many years of experience treating MCS, we do have an idea of what's causing it. (breakspearmedical.com)

To address this research question, the National Institute for Occupational Safety and Health (NIOSH) has developed expertise in investigating the fundamental chemistry of several chemicals in consumer products that may be used in an indoor environment. (cdc.gov)

In the nanometer range we encounter aerosols, their impact on the environment and public health greatly depend on their chemical composition and sizes. (lu.se)
Out method greatly exceed conventional aerosol lidar in sensitivity and tempo-spatial resolution. (lu.se)

Many of these oxidation products are not captured by conventional sampling methods, leading some researchers to suspect that workers who are exposed to oxidized chemicals may not know it. (cdc.gov)

Because people with MCS react to chemicals at levels that ordinarily - do not affect others. (organised-crime-of-covert-electronic-assault-nz.com)

Because of its stress sensitivity, C. jejuni is considered unlikely to survive effectively outside animal hosts. (cdc.gov)

Some can taste a chemical presence rather than smell it. (organised-crime-of-covert-electronic-assault-nz.com)

Dr. Ann McCampbell trained in internal medicine and worked in women's health before she became ill with severe multiple chemical sensitivity (MCS) in 1989. (annmccampbellmd.com)
Developing severe multiple chemical sensitivity alters every aspect of a person's life and can make it almost impossible to work, find safe housing, obtain health care, socialize or pursue hobbies. (annmccampbellmd.com)
These investigative efforts have produced many important insights into a chemical's fate in the indoor environment, possible new sampling techniques and identification of chemical structures that could lead to health effects. (cdc.gov)
Although we cannot guarantee a completely scent-free space, AXIS' goal is to make our events as fragrance-free as possible for the health and safety of performers, audience, and staff with Multiple Chemical Sensitivities (MCS). (axisdance.org)

Results: The OEL identified for a chemical odorant or irritant will depend on the type of che- mosensory effect that the chemical is likely to exhibit. (cdc.gov)

From here, Chemical Sensitivity can lead to tissue damage as a result. (theaircleanerstore.com)

Organisms1

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Chemicals and Drugs2

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena1

Health Care2

Prevalence of people reporting sensitivities to chemicals in a population-based survey. (1/104)

A review of multiple chemical sensitivity. (2/104)

Acquisition and extinction of somatic symptoms in response to odours: a Pavlovian paradigm relevant to multiple chemical sensitivity. (3/104)

A 37-year-old mechanic with multiple chemical sensitivities. (4/104)

Model development and research vision for the future of multiple chemical sensitivity. (5/104)

Psychological test performance during experimental challenge to toluene and n-butyl acetate in cases of solvent-induced toxic encephalopathy. (6/104)

Reproducibility of the University of Toronto self-administered questionnaire used to assess environmental sensitivity. (7/104)

A 4-year-old girl with manifestations of multiple chemical sensitivities. (8/104)

Multiple Chemical Sensitivity

Environmental Illness

Environmental Medicine

Sick Building Syndrome

Environmental Health

Psychophysiologic Disorders

Persian Gulf Syndrome

Toluene

Environment, Controlled

Fructose

Malabsorption Syndromes

Fructose Intolerance

Dysbiosis

Coriandrum

Fructose Metabolism, Inborn Errors

Medicine, African Traditional

Prevalence of people reporting sensitivities to chemicals in a population-based survey. (1/104)

A review of multiple chemical sensitivity. (2/104)

Acquisition and extinction of somatic symptoms in response to odours: a Pavlovian paradigm relevant to multiple chemical sensitivity. (3/104)

A 37-year-old mechanic with multiple chemical sensitivities. (4/104)

Model development and research vision for the future of multiple chemical sensitivity. (5/104)

Psychological test performance during experimental challenge to toluene and n-butyl acetate in cases of solvent-induced toxic encephalopathy. (6/104)

Reproducibility of the University of Toronto self-administered questionnaire used to assess environmental sensitivity. (7/104)

A 4-year-old girl with manifestations of multiple chemical sensitivities. (8/104)

Multiple chemical sensitivity

American Academy of Environmental Medicine

Ecosystem health

Human eye

Neurogenic inflammation

Ecological health

List of diagnoses characterized as pseudoscience

Terri Crawford Hansen

Clinical ecology

Iris Bell

Toxic injury

Candida hypersensitivity

Environmental medicine

Sensitization

Richard E. Frye

List of Northern Exposure characters

Neurotoxicity

Theron Randolph

Hair analysis

Perfume intolerance

Camelford water pollution incident

Pamela Dalton

Pyrethrin

Odor

Functional disorder

Fireworks

Chemical sensitivity

Bernadette Eberlein

Sandra Kanck

Claudia S. Miller

Multiple chemical sensitivity - Wikipedia

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Multiple Chemical Sensitivity (MCS) - Biologix Center for Optimum Health

Assessing beliefs about 'environmental illness/multiple chemical sensitivity' - Fingerprint - University of Arizona

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For the reasons stated, the decision of the Commissioner is REVERSED and this matter is REMANDED to the Commissioner pursuant...

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