Coronary heart disease: milk can inhibit the production of liver cholesterol, which can affect fat metabolism, while milk contains a lot of calcium, which can reduce the absorption of cholesterol, and rich methionine can soften arterial blood vessels. These factors may play a role in preventing coronary heart disease.

Hypertension: A large number of epidemiological surveys have found that the less calcium intake, the higher the prevalence of hypertension. People whose systolic blood pressure is higher than110mmhg will drop their blood pressure if they drink 200 or 600ml of milk every day. Experts believe that the increase of urinary sodium excretion caused by high calcium diet is the fundamental reason for milk to lower blood pressure.

Chronic bronchitis: among people who smoke more than one pack a day, the incidence of chronic bronchitis in people who don't drink milk is 3 1.7%, while the incidence of chronic bronchitis in people who drink milk is only 1 1.5%.

Gallstones: Drink a glass of milk before going to bed, bile will not form small crystals in the gallbladder, thus reducing the possibility of stones.

Osteoporosis: Due to the rapid loss of calcium, the calcium level in middle-aged and elderly people decreases, leading to osteoporosis and prone to fractures. Milk is rich in calcium, which is one of the best foods for middle-aged and elderly people to supplement calcium, and the effect is better than simply taking calcium tablets.

Habitual constipation: Drinking drinks made of milk and honey every day can relieve constipation.

Tumors: Milk and milk cheese contain a CLA substance, which can effectively destroy free radicals harmful to cancer in human body, and can quickly combine with cell membrane, so that cells are in a state of defending against the invasion of carcinogens, thus playing a role in preventing cancer. Moreover, the calcium contained in milk can effectively destroy carcinogens in human intestines, decompose them into non-carcinogenic substances, and excrete them. Vitamin A, vitamin B2 and vitamin D contained in milk have certain preventive effects on gastric cancer and colon cancer. Moreover, milk also contains a variety of immunoglobulin antibodies, which can enhance the body's disease resistance and prevent cancer. In addition, yogurt contains an enzyme, which can effectively prevent the side effects of chemotherapy and radiotherapy for cancer patients.