A variety of signs and symptoms characterizes eating disorders, and although symptoms may vary with each disorder and amongst individuals, we have put together a list of the most common ones.  • Strange behavior around food • Unusually low or high body weight • An irregular diet; eating very little or overeating food.  • Eating alone or secretly • Frequent bathroom use • Obsessive thoughts about losing or gaining weight quickly • Obsessive thoughts about physical appearance and body image • Feeling guilty or ashamed with regard to food and food consumption