Which of the below is a psychological disorder of refusal to eat food, caused by under-nutrition?

Anorexia Nervosa is a psychological disorder where individuals refuse to eat or maintain a healthy body weight due to an intense fear of gaining weight. It is life-threatening if untreated. Key Points: 1. Common in adolescents, especially females. 2. Symptoms include severe weight loss, fatigue, and distorted body image. 3. Requires psychological counseling and nutritional therapy. 4. Bulimia Nervosa involves binge eating followed by purging. 5. Marasmus and Kwashiorkor are severe malnutrition disorders but not psychological. Bee Facts: • Bulimia Nervosa (a): Characterized by cycles of binge eating and purging. • Anorexia Nervosa (b): A psychological eating disorder. • Marasmus (c): Severe malnutrition caused by protein-energy deficiency. • Kwashiorkor (d): Protein deficiency causing swelling and liver damage.