Contrary to popular belief, eating disorders are not limited to classic eating disorders (anorexia and bulimia), but occur on a spectrum ranging from calorie, protein and/or fat restriction and weight control measures (diet pills, laxatives, excessive, compulsive exercise in addition to normal training regimen, self-induced vomiting) to full-blown anorexia and bulimia. Here are the warning signs of anorexia and bulimia and how they can be treated and prevented.