Anorexia Nervosa is a mental illness characterized by an intense fear of gaining weight and a distorted body image, leading to extremely low body weight. People with anorexia nervosa often weigh themselves frequently, eat small amounts of food, and engage in excessive physical activity. The following are the common symptoms of anorexia nervosa:

1. Weight loss: One of the most obvious signs of anorexia is a significant and intentional loss of weight.
2. Distorted body image: People with anorexia have a distorted perception of their body size and shape, often believing they are overweight, even when they are underweight.
3. Fear of gaining weight: An intense fear of gaining weight is a hallmark of anorexia nervosa.
4. Food restriction: People with anorexia nervosa limit the amount of food they eat and may engage in behaviors such as counting calories, portion control, and skipping meals.
5. Excessive exercise: People with anorexia nervosa engage in excessive physical activity as a means of burning calories and losing weight.
6. Changes in menstrual cycle: Women with anorexia nervosa may stop menstruating due to the low body weight and malnutrition.
7. Fatigue and weakness: People with anorexia nervosa often feel tired and weak due to the lack of nutrients and energy.

Treatment for anorexia nervosa typically involves a combination of medical and psychological interventions. The following are the common treatments for anorexia nervosa:

1. Medical treatment: People with anorexia nervosa may need medical treatment to restore their weight to a healthy level.
2. Psychotherapy: Cognitive behavioral therapy (CBT) and family-based therapy (FBT) are two of the most effective forms of psychotherapy for treating anorexia nervosa.
3. Nutritional counseling: People with anorexia nervosa benefit from working with a registered dietitian who can help them develop a healthy relationship with food and nutrition.
4. Medication: Antidepressants and antipsychotic medications may be used to treat some of the symptoms of anorexia nervosa, such as depression, anxiety, and obsessive-compulsive behaviors.
5. Hospitalization: In severe cases, people with anorexia nervosa may need to be hospitalized for medical treatment and monitoring.

It is important to seek help as soon as possible if you or someone you know is exhibiting symptoms of anorexia nervosa. Early intervention is key to a successful recovery. With proper treatment, people with anorexia nervosa can go on to lead healthy, fulfilling lives.