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While the psychological disorder "bulimia nervosa" is relatively new, the word "bulimia", signifying overeating, has been present for centuries. [112] The Babylon Talmud referenced practices of "bulimia", yet scholars believe that this simply referred to overeating without the purging or the psychological implications bulimia nervosa. [ 112 ]
Binge eating disorder (BED) is an eating disorder characterized by frequent and recurrent binge eating episodes with associated negative psychological and social problems, but without the compensatory behaviors common to bulimia nervosa, OSFED, or the binge-purge subtype of anorexia nervosa.
Overeating occurs when an individual consumes more calories in relation to the energy that is expended via physical activity or expelled via excretion, leading to weight gain and often obesity. Overeating is the defining characteristic of binge eating disorder. [1] Overeating can be a symptom of binge eating disorder [2] or bulimia nervosa. [3]
Overeaters Anonymous (OA) is a twelve-step program founded by Rozanne S. [1] Its first meeting was held in Hollywood, California, USA on January 19, 1960, after Rozanne attended a Gamblers Anonymous meeting and realized that the Twelve Steps could potentially help her with her own addictive behaviors relating to food. [1]
Psychological reasons for the elderly to develop anorexia can include depression and bereavement, and even an indirect attempt at suicide. [216] There are also common comorbid psychiatric conditions with aging anorexics, including major depression, anxiety disorder, obsessive compulsive disorder, bipolar disorder, schizophrenia, and dementia .
Polyphagia or hyperphagia is an abnormally strong, incessant sensation of hunger or desire to eat often leading to overeating. [1] In contrast to an increase in appetite following exercise, polyphagia does not subside after eating and often leads to rapid intake of excessive quantities of food.
Emotional eating, also known as stress eating and emotional overeating, [1] is defined as the "propensity to eat in response to positive and negative emotions". [2] While the term commonly refers to eating as a means of coping with negative emotions, it sometimes include eating for positive emotions, such as overeating when celebrating an event or to enhance an already good mood.
Those with eating addictions often overconsume such foods despite the adverse consequences (such as excess weight gain, diabetes, and heart disease) associated with their overconsumption. [1] [2] Psychological dependence has also been observed, with the occurrence of withdrawal symptoms when substituting foods low in sugar and fat. [1]