This document discusses the importance of nutrition among adolescents. It covers various essential nutrients like calcium, iron, carbohydrates and fiber that adolescents need to support growth and development. It also addresses nutritional needs during exercise and provides healthy eating tips such as drinking enough water, eating foods rich in iron and calcium, and selecting meals carefully. The document further discusses concepts like malnutrition, overnutrition and undernutrition. It outlines various micronutrients, micronutrient deficiencies and nutritional disorders including eating disorders like anorexia nervosa, bulimia and binge eating disorder.