This document compares cow's milk and buffalo milk. It discusses the nutritional composition of each, with buffalo milk having higher fat, calories, and protein than cow's milk. Buffalo milk is considered heavier and harder to digest, especially for children and the elderly, due to its higher fat content. Cow's milk is recommended over buffalo milk for infants, children, older individuals, and those on calorie-restricted diets due to its lighter and more easily digestible composition. The document also provides various uses and health benefits of cow's milk according to Ayurveda.