This document discusses food adulteration, particularly adulteration of milk and milk products. It defines food adulteration as lowering the quality of food by adding inferior materials or extracting valuable ingredients. It notes that adulteration can be intentional or unintentional. Several studies found high rates of milk adulteration in India, with common adulterants including water, detergents, fat, urea, and skim milk powder. Adulterated milk poses health risks and indicates a lack of hygiene. The document concludes that addition of water is the most common milk adulterant found and consumption of detergent-adulterated milk threatens health.