Any of a range of psychological disorders characterized by abnormal or disturbed eating habits (such as anorexia nervosa). They include binge eating disorder where people eat a large amount in a short period of time, anorexia nervosa where people eat very little and thus have a low body weigh
Symptoms: Some physical symptoms of eating disorders are weakness, fatigue, sensitivity to cold, reduced beard growth in men, reduction in waking erections, reduced libido, weight loss and failure of growth. Polycystic ovary syndrome (PCOS) is the most common endocrine disorder to affect women.
Diagnosis and Treament: The initial diagnosis should be made by a competent medical professional. "The medical history is the most powerful tool for diagnosing eating disorders"(American Family Physician). Neuroimaging using fMRI, MRI, PET and SPECT scans have been used to diagnose the eating disorder. Acceptance and commitment therapy, Cognitive Remediation Therapy , Dialectical behavior therapy, Family therapy, Behavioral therapy, Interpersonal psychotherapy.
Epidemology: Eating disorders result in about 7,000 deaths a year as of 2010, making them the mental illnesses with the highest mortality rate.