Any observable response or action of an adolescent.

A form of group psychotherapy. It involves treatment of more than one member of the family simultaneously in the same session.

The interactions between parent and child.

Disorders related to substance abuse.

Field of psychology concerned with the normal and abnormal behavior of adolescents. It includes mental processes as well as observable responses.

The observable response an animal makes to any situation.

Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.

The continuous sequential physiological and psychological changes during ADOLESCENCE, approximately between the age of 13 and 18.

Organized services to provide health care to adolescents, ages ranging from 13 through 18 years.

Behaviors expressed by individuals to protect, maintain or promote their health status. For example, proper diet, and appropriate exercise are activities perceived to influence health status. Life style is closely associated with health behavior and factors influencing life style are socioeconomic, educational, and cultural.

Any behavior caused by or affecting another individual, usually of the same species.

Sexual activities of humans.

A branch of medicine pertaining to the diagnosis and treatment of diseases occurring during the period of ADOLESCENCE.

The observable response of a man or animal to a situation.

Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.

Group composed of associates of same species, approximately the same age, and usually of similar rank or social status.

Any observable response or action of a child from 24 months through 12 years of age. For neonates or children younger than 24 months, INFANT BEHAVIOR is available.

Undertaking a task involving a challenge for achievement or a desirable goal in which there is a lack of certainty or a fear of failure. It may also include the exhibiting of certain behaviors whose outcomes may present a risk to the individual or to those associated with him or her.

The medical science that deals with the origin, diagnosis, prevention, and treatment of mental disorders in individuals 13-18 years.

Nutritional physiology of children aged 13-18 years.

Sexual activities of animals.

The tendency to explore or investigate a novel environment. It is considered a motivation not clearly distinguishable from curiosity.

Disturbances considered to be pathological based on age and stage appropriateness, e.g., conduct disturbances and anaclitic depression. This concept does not include psychoneuroses, psychoses, or personality disorders with fixed patterns.

Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.

Studies in which variables relating to an individual or group of individuals are assessed over a period of time.

The application of modern theories of learning and conditioning in the treatment of behavior disorders.

Persons functioning as natural, adoptive, or substitute parents. The heading includes the concept of parenthood as well as preparation for becoming a parent.

Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism.

The behavior patterns associated with or characteristic of a mother.

Performing the role of a parent by care-giving, nurturance, and protection of the child by a natural or substitute parent. The parent supports the child by exercising authority and through consistent, empathic, appropriate behavior in response to the child's needs. PARENTING differs from CHILD REARING in that in child rearing the emphasis is on the act of training or bringing up the children and the interaction between the parent and child, while parenting emphasizes the responsibility and qualities of exemplary behavior of the parent.

Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.

The physical activity of a human or an animal as a behavioral phenomenon.

Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.

Pregnancy in human adolescent females under the age of 19.

Educational institutions.

The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community.

The reciprocal interaction of two or more persons.

An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.

Persons whom one knows, likes, and trusts.

The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.

Behaviors associated with the ingesting of alcoholic beverages, including social drinking.

Relatively invariant mode of behavior elicited or determined by a particular situation; may be verbal, postural, or expressive.

Behavior in which persons hurt or harm themselves without the motive of suicide or of sexual deviation.

Individuals enrolled in a school or formal educational program.