营养缺乏症多吃甜腻的冷饮可大量消耗人体中的维生素。体内维生素缺乏，会使唾液、消化液分泌减少，导致食欲减退。另外，吃过多冷饮后，胃肠道内温度骤然下降，胃部血管收缩，血流量减少，使胃蛋白酶、小肠淀粉酶及脂肪酶的分泌减少，从而影响人体对食物的消化，久而久之，会 Nutritional deficiencies Eat sweet and sour cold drinks can consume large amounts of vitamins in the body. Lack of vitamins in the body, will reduce the secretion of saliva, digestive juice, leading to loss of appetite. In addition, after eating too much cold drink, the temperature in the gastrointestinal tract suddenly drops, the vasoconstriction of the stomach and blood flow decrease, so that the secretion of pepsin, small intestine amylase and lipase decrease, thus affecting the body’s digestion of food over time, will