Milk is a nutrient-rich liquid food produced by the mammary glands of mammals. it is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. immune factors and immune-modulating components in milk contribute to milk immunity. early-lactation milk, which is called colostrum, contains antibodies that strengthen the immune system, and thus reduces the risk of many diseases. milk contains many nutrients, including protein and lactose.the us cdc recommends that children over the age of 12 months should have two servings of dairy milk products a day.as an agricultural product, dairy milk is collected from farm animals. in ...

Source: Wikipedia