Binge eating disorder in childhood. A few studies have suggested that there could be a genetic component to binge eating disorder, though other studies have shown more ambiguous results. Studies have shown that binge eating tends to run in families and a twin study by Bulik, Sullivan, and Kendler has shown a, "moderate heritability for binge eating" at 41 percent. More research must be done before any firm conclusions can be drawn regarding the heritability of binge eating disorder. Studies have also shown that eating disorders such as anorexia and bulimia reduce coping abilities, which makes it more likely for those suffering to
Eating disorder within the range from normal to obese. These eating disorders are specified as mental disorders in standard medical manuals, such as in the ICD-10, the DSM-5, or both. Symptoms and complications vary according to the nature and severity of the eating disorder: 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. Unexplained hoarseness may be a symptom of an underlying eating disorder, as the result of acid reflux, or entry of acidic gastric material into the laryngoesophageal tract. Patients who