The document discusses nutritional needs for adolescents based on the food guide pyramid. It recommends eating a variety of foods daily from each food group, with a focus on grains, vegetables, fruits, dairy, and proteins. The number of servings needed depends on individual factors like age, sex, size, and activity level. Following the food guide pyramid helps ensure getting enough vitamins, minerals, protein, fiber, and carbohydrates. Fats and sweets should be limited, though some fats like olive oil are heart healthy. Dairy provides calcium for strong bones and teeth. Fruits supply vitamin C and fiber for skin health and digestion. Healthy eating guidelines include maintaining a balanced diet and healthy weight.