neurological causes of anorexia nervosa
The term anorexia literally means absence of appetite. Anorexia can be associated with medical conditions or medications that cause a loss of appetite. Anorexia nervosa involves a psychological aversion to food that leads to a state of starvation and emaciation.he primary symptom of anorexia is major weight loss from excessive and continuous dieting, which may either be restrictive dieting or binge-eating and purging. Other symptoms and warning signs of anorexia may include: 1  Infrequent or absent menstrual periods. 2  Compulsive exercising coupled with excessive thinness.