Symptoms of Anorexia Nervosa: There are many symptoms and warning signs of anorexia.  It is common for people with anorexia to also be diagnoses with other mental disorders such as depression, anxiety (especially obsessive-compulsive disorder), personality disorders or drug abuse. The primary symptoms of anorexia are: Resistance to maintain body weight at or above the normal weight for age and height Fear of gaining weight or being “fat” – the latter is often considered to be irrational due to the person already being underweight Distorted perception of weight or denial of the seriousness of low body weight Loss of menstrual periods in girls and women post-puberty  Warning signs of anorexia are: Dramatic weight loss Concentration difficulties Preoccupation with food or dieting Sleep difficulties Refusal to eat certain foods Dizziness Frequent comments about feeling fat or overweight Mood swings Stomach pains Feelings of anxiety about gaining weight or becoming fat Denial of hunger Constipation Development of ritualistic behavior towards food Consistent excuses to avoid mealtimes Excessive or rigid exercise regimen Social isolation or withdrawal from social networks Poor circulation (resulting in the individual feeling unusually cold) Behaviors that suggest weight loss, dieting or control of food are primary concerns for the individual  The long-term effects of anorexia: Slow heart rate and low blood pressure, which is suggestive of the heart muscle changing.  The risk of heart failure rises as the heart rate and blood pressure decreases.  Reduction of bone density Lung problems Muscle loss and weakness Gastrointestinal problems (such as constipation, bloating or nausea) Severe dehydration which can result in kidney failure Fainting or feeling fatigued Kidney problems Dry hair and skin Hair loss Anemia Growth of lanugo (a layer of hair that the body produces as insulation against being cold) all over the body (including the face) Women with anorexia tend to experience difficulties becoming pregnant or may be infertile.  Men with anorexia may display decreased testosterone levels