Breast milk is a natural liquid produced by the mammary glands of humans and other mammals. It is specifically designed to provide essential nutrients, antibodies, and energy to infants during their early development. The composition of breast milk changes over time to meet the evolving needs of the growing baby. Breast milk contains proteins, fats, vitamins, and minerals that support healthy growth and immune function. It is easily digestible and promotes a strong bond between the mother and child. The World Health Organization recommends exclusive breastfeeding for the first six months of life for optimal health benefits.