Their intense fear of gaining weight combined with their distorted view of themselves drives them to take extreme measures to ensure they lose weight (Bjork 1). These extreme measures cause many symptoms to appear and some are even deadly. People with AN often have irregular or absent menstrual cycles. They experience fatigue, irregular heartbeat, dizziness, headache, fine hair covering the body, brittle nails and hair, mild anemia, and low blood pressure. Anorexics may also have heart problems, and the heart may stop completely if the disorder lasts too long (Diet 1). People with anorexics, such as bulimia, usually also have other psychiatric problems, such as depression, which can then lead to suicide (Update 1). In fact, women between the ages of 15 and 24 who have AN have a suicide rate more than 200 times higher than people without AN (Levine 2). Anorexia nervosa is actually the deadliest psychiatric disorder in the United States (Update 1). Most experts agree that AN is caused by a combination of environmental factors and genes. Cynthia Bulik, director of the eating disorders program at the University of North Carolina, says, “It's clearly both. Genes load the gun and the environment pulls the trigger” (Update