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Selective eating, also known as picky eating, is a variety of behaviors whereby people are highly selective in what they eat and do not eat. Selective eating is common in younger children [ 1 ] and can also sometimes be seen in adults.
Research on eating disorders from the 16th to the 20th centuries suggests that during that time in history, pica was regarded more as a symptom of other disorders rather than its own specific disorder. Even today, what could be classified as pica behavior is a normative practice in some cultures as part of their beliefs, healing methods, or ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. Mental illness characterized by abnormal eating habits that adversely affect health Medical condition Eating disorder Specialty Psychiatry, clinical psychology Symptoms Abnormal eating habits that negatively affect physical or mental health Complications Anxiety disorders, depression ...
The risk to the sibling of an affected child of having PWS depends upon the genetic mechanism which caused the disorder. The risk to siblings is <1% if the affected child has a gene deletion or uniparental disomy, up to 50% if the affected child has a mutation of the imprinting control region, and up to 25% if a parental chromosomal ...
Behavioral epigenetics is the field of study examining the role of epigenetics in shaping animal and human behavior. [1] It seeks to explain how nurture shapes nature, [2] where nature refers to biological heredity [3] and nurture refers to virtually everything that occurs during the life-span (e.g., social-experience, diet and nutrition, and exposure to toxins). [4]
The biological components relating to orthorexia nervosa specifically have not been directly identified. However, studies of other eating disorders such as anorexia nervosa, bulimia nervosa, and binge eating disorder have noticed several biological influences. These factors include hormone levels, neurotransmitters, and even genetic components.
The basic principle behind psychiatric genetics is that genetic polymorphisms (as indicated by linkage to e.g. a single nucleotide polymorphism) are part of the causation of psychiatric disorders. [1] Psychiatric genetics is a somewhat new name for the old question, "Are behavioral and psychological conditions and deviations inherited?".
Disordered eating describes a variety of abnormal eating behaviors that, by themselves, do not warrant diagnosis of an eating disorder. Disordered eating includes behaviors that are common features of eating disorders, such as: Chronic restrained eating. [1] Compulsive eating. [1] Binge eating, with associated loss of control. [2] Self-induced ...
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