2. According to the research of foreign experts, drinking a glass of fresh milk every morning can meet 10% of the calories needed by the human body and 40% of the various trace vitamins needed by the human body. If each person drinks 500 grams of milk 1 day, it can meet 80% of the daily vitamin and calcium requirements of the human body, and has the function of preventing cancer. Therefore, scientists believe that milk is the best source of nutrition for new life, and its original nutrition is unmatched by any other artificial nutrition.