Infants experience rapid growth in their first year, gaining weight and length. Their nutrient needs are influenced by this growth as well as their small stomachs and developing digestive systems. Breastmilk or formula meets infants' needs for the first 6 months, providing proper nutrition for growth and development. Solid foods should not be introduced before 6 months and are introduced in stages, starting with cereals, vegetables and fruits to avoid choking hazards. Proper feeding ensures infants' needs are met through continued growth, energy and health.