Rumination disorder is a condition that causes regurgitation of food during or after eating. Learn about the causes, symptoms, treatment options, and more.

The clearest signs of eating disorders may be rapid weight loss, unusual eating patterns, and excessive exercise. But there are also more subtle signs that a disorder may be developing or underway.

Eating disorders like anorexia nervosa, bulimia, binge eating disorder, or BED, and orthorexia are serious, potentially life-threatening mental health conditions. They're also common, affecting ...