1 The thicker the milk, the better. Some people think that the thicker the milk, the more nutrients the body gets. This is unscientific. The so-called over-concentrated milk refers to adding more milk powder and less water to the milk, so that the milk concentration exceeds the normal ratio standard. Others feared that fresh milk would be too light, and added milk powder to it. If infants and young children often eat thick milk, it will cause diarrhea, constipation, loss of appetite, and even refuse to eat, and it will also cause acute hemorrhagic enteritis. This is because the organs of infants and young children are delicate and cannot bear the excessive burden and pressure.

　　2 The more sugar added, the better without sugar The milk is not easy to digest and is the "consensus" of many people. Sugar is added to increase the calories supplied by carbohydrates, but it must be rationed. Generally, 5 to 8 grams of sugar are added per 100 milliliters of milk.

What kind of sugar should be added to the milk? The best is sucrose. When sucrose enters the digestive tract and is decomposed by digestive juice, it becomes glucose and is absorbed by the body. Glucose is low in sweetness, and it can easily exceed the prescribed range after being used too much.

　　 There is also a question of when to add sugar. Add sugar and milk together to heat, so that the lysine in milk will react with sugar at high temperature (80 ℃ ~ 100 ℃), generating harmful substances glycosyl lysine. Not only will this substance not be absorbed by the body, it will also be harmful to health. Therefore, the boiled milk should be dried to warm (40 ℃ ~ 50 ℃), and then put the sugar into the milk to dissolve.

　　3 Milk with chocolate

　　Some people think that since milk is a high-protein food, chocolate is also an energy food, and it is definitely beneficial to eat both at the same time. But in fact, it''s not. Liquid milk plus chocolate will cause a chemical reaction between the calcium in the milk and the oxalic acid in the chocolate to produce "calcium oxalate". As a result, calcium, which was originally of nutritional value, turned into a substance harmful to the human body, resulting in calcium deficiency, diarrhea, delayed development of children, dry hair, easy fracture, and increased incidence of urinary tract stones.

　　 4 Taking medicine with milk kills two birds with one stone

　　Some people think that taking medicine with nutritious things is definitely good. In fact, this is extremely wrong. Milk can significantly affect the rate of absorption of drugs by the human body, so that the concentration of drugs in the blood is significantly lower than that of non-milk patients taking the same time. Taking medicine with milk also makes it easy for the drug to form a covering film, so that the mineral ions such as calcium and magnesium in the milk react chemically with the drug to form a water-insoluble substance, which not only reduces the efficacy of the drug, but may also cause harm to the body. Therefore, it is best not to drink milk for 1 to 2 hours before and after taking the medicine.

　　5 Milk must be boiled. Generally, the temperature requirement for milk sterilization is not high. It takes 3 minutes at 70℃ and 6 minutes at 60℃. If it boils and the temperature reaches 100°C, the lactose in milk will scorch, and caramel can cause cancer. Secondly, the calcium in milk will precipitate phosphoric acid after boiling, thereby reducing the nutritional value of milk.

　　6 Add orange juice or lemon juice to the milk to increase the flavor. Adding orange juice or lemon juice to the milk seems to be a good way, but in fact, orange juice and lemon are both high-fruit fruits And, when fruit acid meets the protein in milk, it will denature the protein, thereby reducing the nutritional value of the protein. 7 Add rice soup and porridge to milk Some people think that this can complement nutrition. Actually this method is not very scientific. Milk contains vitamin A, while rice soup and porridge are mainly starch-based, and they contain fat oxidase, which destroys vitamin A. Children, especially infants and young children, if inadequate intake of vitamin A will cause infants and young children to stunt and become weak and sick. Therefore, even if it is for supplementing nutrition, the two should be eaten separately.

　　8 Feeding babies with yogurt Yogurt is a healthy drink that helps digestion. Some parents often use yogurt to feed babies. However, although the antibiotics produced by lactic acid bacteria in yogurt can inhibit the growth of many pathogenic bacteria, it also destroys the growth conditions of normal flora that are beneficial to the human body and also affects normal digestive function, especially for infants with gastroenteritis Infants and premature babies, if fed with yogurt, may cause vomiting and gangrenous enteritis.

　　9 Bottled milk is dried in the sun to increase vitamin D. Some people learned from advertisements: calcium supplementation also needs vitamin D supplementation, and sun exposure is a good way to take vitamin D. Fang grabbed the medicine and put the bottled milk in the sun. In fact, this is not worth the loss. Milk may get some vitamin D, but it loses vitamin B1, vitamin B2, and vitamin C. Because these three major nutrients will break down in the sun, so that some or all of them are lost; moreover, lactose will ferment in the sun, causing the milk to deteriorate.

　　10 Substitute condensed milk instead of milk Condensed milk is a kind of milk product, which is made by evaporating fresh milk to 2/5 of the original volume and then adding 40％ sucrose to the can. Some people use condensed milk instead of milk under the influence of "everything is concentrated". This is obviously wrong. Condensed milk is too sweet, you must add 5 to 8 times the water to dilute. But when the sweet taste meets the requirements, the concentration of protein and fat is often reduced by half compared to fresh milk. If water is added to condensed milk to bring the protein and fat concentrations closer to fresh milk, then the sugar content will be higher.