BACKGROUND: Little population-based data exist on the prevalence or correlates of eating
disorders. METHODS: Prevalence and correlates of eating disorders from the National …

BACKGROUND: Little population-based data exist outside the United States on the
epidemiology of binge eating disorder (BED). Cross-national BED data are presented here and …

Background Although cannabis is the most widely used illicit drug in the United States, its
long-term cognitive effects remain inadequately studied. Methods We recruited individuals …

Two disorders of body image encountered in a study of 108 bodybuilders are described. In a
study of the psychiatric effects of anabolic steroids, structured interviews were administered …

Objective: Body dysmorphic disorder, preoccupation with an imagined defect in appearance,
is included in DSM-III-R but has received little empirical study. The authors investigated the …

Objective To assess for familial aggregation of fibromyalgia (FM) and measures of
tenderness and pain, and for familial coaggregation of FM and major mood disorder (major …

Background Field studies of illicit anabolic-androgenic steroid users suggest that some
develop manic or aggressive reactions to these drugs—a potential public health problem. …

OBJECTIVE: Muscle dysmorphia is a form of body dysmorphic disorder in which individuals
develop a pathological preoccupation with their muscularity. METHOD: The authors …

Characterized primarily by a low body-mass index, anorexia nervosa is a complex and
serious illness 1 , affecting 0.9–4% of women and 0.3% of men 2 , 3 – 4 , with twin-based …

Background: Individuals who initiate cannabis use at an early age, when the brain is still
developing, might be more vulnerable to lasting neuropsychological deficits than individuals …