UPSC 2014 CDS I GK Paper

People suffering from 'anorexia nervosa' eat very little and feargaining weight. People with anorexia have a real fear of weight gain and a distorted view of their body size and shape. As a result, they eat very little and can become dangerously underweight. Many teens with anorexia restrict their food intake by dieting, fasting, or excessive exercise.