• cognitive
  • These results demonstrate that both age and BDNF serum levels are important factors to consider when investigating the mechanisms by which exercise interventions influence cognitive outcomes, particularly in elderly populations. (frontiersin.org)
  • Several neural mechanisms thought to support these cognitive processes become particularly vulnerable during the aging process ( Burke and Barnes, 2006 ). (frontiersin.org)
  • Mehul A. Trivedi, Ph.D., and colleagues have been studying how these risk factors affect cognitive efficiency in middle-age. (actionalz.org)
  • These people also exhibit abnormalities of brain structure and function on imaging scans - factors that could affect cognitive efficiency and memory years before clinical symptoms of Alzheimer's appear. (actionalz.org)
  • For this grant, Dr. Trivedi and colleagues will use functional magnetic resonance imaging (fMRI) techniques to assess the role of dementia risk factors on white matter functioning and on cognitive efficiency. (actionalz.org)
  • The g factor (also known as general intelligence, general mental ability or general intelligence factor) is a construct developed in psychometric investigations of cognitive abilities and human intelligence. (wikipedia.org)
  • The g factor typically accounts for 40 to 50 percent of the between-individual performance differences on a given cognitive test, and composite scores ("IQ scores") based on many tests are frequently regarded as estimates of individuals' standing on the g factor. (wikipedia.org)
  • Today's factor models of intelligence typically represent cognitive abilities as a three-level hierarchy, where there are a large number of narrow factors at the bottom of the hierarchy, a handful of broad, more general factors at the intermediate level, and at the apex a single factor, referred to as the g factor, which represents the variance common to all cognitive tasks. (wikipedia.org)
  • largely
  • It seems that the cremation ritual rose to prominence during the Bronze Age and then largely waned during the Iron Age. (blogspot.com)
  • This is partially due to the fact that the basal current levels are largely affected by factors such as pH, so over longer periods of time these values tend to drift. (wikipedia.org)
  • typically
  • Note there is a discontinuity in the growth curves at age 2, which reflects the difference in recumbent length (with the child on his or her back), used in measuring infants and toddlers and standing height typically measured from age 2 onwards. (wikipedia.org)
  • warfare
  • The intensification of warfare during the Bronze Age may have been an additional factor in the rise of the cremation ritual, because it is a convenient way to dispose of the dead at a battle site, or away from an established cemetery. (blogspot.com)
  • In regions of poverty or warfare, environmental factors like chronic malnutrition during childhood or adolescence may result in delayed growth and/or marked reductions in adult stature even without the presence of any of these medical conditions. (wikipedia.org)
  • diet
  • Factors like high blood cholesterol , high blood pressure , diabetes , chronic kidney disease, smoking, excessive alcohol consumption , stress , obesity , insufficient physical activity, high fat diet and other such lifestyle factors may also increase the risk of developing heart problems. (speedyremedies.com)
  • younger
  • The University of Exeter research team, working with Professor Richard Faragher and Dr Elizabeth Ostler from the University of Brighton, found that splicing factors can be switched back on with chemicals, making senescent cells not only look physically younger, but start to behave more like young cells and start dividing. (longecity.org)
  • The data also show that people with very short telomeres are more likely to die at a younger age. (kanw.com)
  • Maybe because the people didn't like how you implied all younger guys are immature and were thinking some old guys could even be very immature so you shouldn't quite base it on age, which is a fair comment if you think about it. (girlsaskguys.com)
  • rapidly
  • Therefore, orthodontists want to time their treatments for the ages when the child is mature enough to cooperate with treatment, and also when the bone is growing most rapidly. (doctorspiller.com)
  • Humans grow fastest (other than in the womb) as infants and toddlers, rapidly declining from a maximum at birth to roughly age 2, tapering to a slowly declining rate, and then during the pubertal growth spurt, a rapid rise to a second maximum (at around 11-12 years for female, and 13-14 years for male), followed by a steady decline to zero. (wikipedia.org)
  • chronic
  • Most people by the age of 85 have experienced some kind of chronic illness, and as people get older they are more prone to stroke, heart disease and cancer. (longecity.org)
  • risk factors
  • Scientists have identified a variety of inherited risk factors for Alzheimer's disease. (actionalz.org)
  • At best, that approach can show a statistical correlation, but it's going to be a weak one - because it doesn't maintain any link between individuals with risk factors and the incidence of disease. (scienceblogs.com)
  • In general, you use a correlative study like that when you can't associate risk factors and incidences with specific individuals. (scienceblogs.com)
  • Always remember that risk factors for high cholesterol and cardiovascular disease don't exist in a vacuum--they tend to amplify each other. (howstuffworks.com)
  • Risk factors for developing breast cancer include being female, obesity, lack of physical exercise, drinking alcohol, hormone replacement therapy during menopause, ionizing radiation, early age at first menstruation, having children late or not at all, older age, and family history. (wikipedia.org)
  • levels
  • We found that age moderated the effect of intervention group on changes in BDNF levels, with those in the highest age quartile showing the greatest increase in BDNF after 1-year of moderate intensity walking exercise ( p = 0.036). (frontiersin.org)
  • Professor Harries added: "This demonstrates that when you treat old cells with molecules that restore the levels of the splicing factors, the cells regain some features of youth. (longecity.org)
  • They also tend to have lower HDL levels. (howstuffworks.com)
  • Men tend to have higher LDL levels and lower HDL levels than do women , especially before age 50. (howstuffworks.com)
  • Other factors significantly linked to aggression are sex and trait anger, with men and individuals with higher levels of trait anger showing more aggressive behaviors. (wikipedia.org)
  • people
  • The discovery has the potential to lead to therapies which could help people age better, without experiencing some of the degenerative effects of getting old. (longecity.org)
  • Senescent cells, which can be found in most organs from older people, also have fewer splicing factors. (longecity.org)
  • Some actors actually choose to age gracefully, taking on roles of older people. (wkbw.com)
  • In addition, these older people tend to be dehydrated and be taking other medications. (wikipedia.org)
  • research
  • Traditionally, research on g has concentrated on psychometric investigations of test data, with a special emphasis on factor analytic approaches. (wikipedia.org)
  • Empirical evidence has shown that sexual desire is a factor that heavily influences couple satisfaction and relationship continuity which has been one of the main reasons for the interest in this research domain of human sexuality. (wikipedia.org)
  • individuals
  • The mediation analyses revealed that BDNF mediated the effect of the intervention on task-switch accuracy, but did so as a function of age, such that exercise-induced changes in BDNF mediated the effect of exercise on task-switch performance only for individuals over the age of 71. (frontiersin.org)
  • However, individuals who excel at one type of test tend to excel at other kinds of tests, too, while those who do poorly on one test tend to do so on all tests, regardless of the tests' contents. (wikipedia.org)
  • The smooth 50th percentile male and female growth curves illustrated above are aggregate values from thousands of individuals sampled at ages from birth to age 20. (wikipedia.org)
  • environments
  • Schools and the education system also operate within the context of wider social and structural factors and may reflect and reproduce environments that do not protect children and adolescents from violence and bullying. (wikipedia.org)
  • process
  • It tends to refer to the process of porting a recording from an analogue medium to a digital one, but this is not always the case. (wikipedia.org)
  • back
  • The most common and equally debilitating massive heart attack symptom is chest pain that tends to radiate to back, jaw, neck or either of the arms through nerves. (speedyremedies.com)
  • Our data suggests that using chemicals to switch back on the major class of genes that are switched off as we age might provide a means to restore function to old cells. (longecity.org)
  • It tends to be located at the back of the head, either on the affected side or in the middle, and develops gradually. (wikipedia.org)
  • found
  • We found there's a big split above age 50 and it gets bigger and bigger with age until about 75 or so - a marvelous new finding nobody had ever seen before," she says. (kanw.com)
  • A 2009 review for the US Preventive Services Task Force found evidence of benefit in those 40 to 70 years of age, and the organization recommends screening every two years in women 50 to 74 years old. (wikipedia.org)
  • lifestyle
  • The actor, who now plays drums with the band Kingsfoil, thought a stressful lifestyle might have been a factor. (cnn.com)
  • treatment
  • Massive heart attacks tend to cause permanent damage when treatment is not administered immediately. (speedyremedies.com)
  • The optimum age for beginning treatment depends upon the specific deformity that the orthodontist needs to correct, but the best age for evaluation of that specific deformity is usually age 7 because that is the age when both factors tend to coincide for the treatment of certain skeletal deformities. (doctorspiller.com)
  • faster
  • There is some argument about whether the movement of children's teeth is actually faster than that of adults, but there is no argument about the ease of movement due to the growth factor. (doctorspiller.com)
  • As every mother knows, their children grow faster at some ages than at others. (doctorspiller.com)
  • reduce
  • Early reopening of an obstructed coronary artery tends to reduce the amount of damage. (speedyremedies.com)
  • Stress, one of the drawbacks of modern life, is another major factor in influencing gut health so taking steps to reduce stress in daily live will result in positive changes. (nst.com.my)
  • Early
  • The existence of the g factor was originally proposed by the English psychologist Charles Spearman in the early years of the 20th century. (wikipedia.org)
  • experience
  • It is scary to have your life change so much or to even experience something to this nature at such a young age. (cnn.com)
  • instance
  • For instance, heterosexual men tend to report that red outfits enhance female attractiveness, while heterosexual females deny any outfit color impacting that of men. (wikipedia.org)
  • years
  • After age 50, when women are in their post-menopausal years, decreasing amounts of estrogen are thought to cause the LDL level to rise. (howstuffworks.com)
  • I have been drinking and smoking since 13 years of age and now 38. (cnn.com)
  • effects
  • The present study examined BDNF as a mediator of the effects of a 1-year walking intervention on executive function in 90 older adults (mean age = 66.82). (frontiersin.org)
  • function
  • As we age, our tissues accumulate senescent cells which are alive but do not grow or function as they should. (longecity.org)
  • One gene can send out several messages to the body to perform a function - such as the decision whether or not to grow new blood vessels - and the splicing factors make the decision about which message to make. (longecity.org)
  • Kidney function gradually decreases as someone ages. (wikipedia.org)
  • women
  • The Kaiser project is also turning up new information about differences in the way men and women age. (kanw.com)
  • single
  • Spearman suggested that all mental performance could be conceptualized in terms of a single general ability factor, which he labeled g, and a large number of narrow task-specific ability factors. (wikipedia.org)
  • Using factor analysis or related statistical methods, it is possible to compute a single common factor that can be regarded as a summary variable characterizing the correlations between all the different tests in a test battery. (wikipedia.org)