How much does a teen-ager need in their body?

Teenagers require a balanced diet that includes essential nutrients to support their growth and development. Key components include carbohydrates for energy, proteins for muscle growth and repair, healthy fats for brain development, vitamins and minerals for overall health, and adequate hydration. On average, a teenager's caloric needs can range from 1,800 to 2,400 calories per day, depending on factors like age, sex, and activity level. It's crucial for teens to consume a variety of foods to meet these nutritional needs.