The correct answer is anorexia nervosa. Anorexia nervosa is a serious eating disorder characterized by an intense fear of gaining weight or becoming fat, resulting in self-starvation and extreme weight loss. People with anorexia nervosa may also have a distorted body image and engage in dangerous behaviors such as excessive exercise and restriction of food intake. It is important to note that this answer requires knowledge of the subject matter rather than a specific method of finding the answer.
Not eating out of self-starvation is known as anorexia nervosa.