As you grow and develop, your body's nutritional needs change. The amount of energy you need also depends on your age, gender, and how much physical activity you do.
The key stages in life are
Children need more energy because they are growing quickly and becoming more active. Since their stomachs are small, they should eat small and frequent meals to get enough energy for their age.
It is a period of rapid growth and development and is when puberty occurs. The demand for energy and most nutrients is relatively high. Boys need more protein and energy than girls for growth. Children should be encouraged to remain a healthy weight with respect to their height.
Protein, calcium, iron, and vitamins A, and D are important for a healthy diet. Calcium is necessary for healthy teeth, and when combined with vitamin D, helps build strong bones.
