Is it okay to drink a cold beer before a meal?

　　Is it okay to drink a cold beer before a meal?

　　Drinking ice-cold beer before meals will cause physiological disorders. In the hot summer, if you quickly drink ice-cold beer that is 20°C lower than body temperature, the blood vessels in the gastrointestinal tract will contract rapidly due to stimulation, and the blood flow will rapidly decrease. This will cause serious disorders of the body's physiological functions, which is harmful to healthy It is very disadvantageous.

　　Drinking ice-cold beer before meals can also cause digestive disorders. Under normal circumstances, when people eat, their bodies will secrete a large amount of digestive juice, which contains gastric acid, pepsin, small intestinal amylase, lipase and other substances to help digest and absorb food. If you drink a lot of cold beer before meals, it will often reduce the secretion of digestive juices, leading to digestive disorders. At the same time, the gastrointestinal tract will also undergo excessive peristalsis after being stimulated by excessive cold, which will cause frequent peristalsis over time. stomach ache and diarrhea。

　　Drinking cold beer before meals can also affect the nutrient absorption of food. Due to digestive function disorders, not only will it cause a loss of appetite, but also a reduction in meal intake ； It will also affect the digestion and absorption of food, which in the long run will lead to nutritional deficiencies in the human body, thus affecting human health.