There are no 4 taboos of drinking lemon water, lemon water contains some nutrients, beneficial to the human body, but for special physical people, drinking lemon water may cause some adverse reactions. 1, stimulate the gastrointestinal tract: lemon water has a lot of acid, drinking lemon water will increase the secretion of gastric acid, gastric acid is easy to stimulate the digestive tract, causing peptic ulcers, gastroesophageal reflux disease and other diseases, so for people with high gastric acid The high secretion of people, try not to often drink lemon water; 2, hurt teeth: lemon water contains a certain amount of sugar, sugar and lemon water in the acid intake is easy to cause tooth destruction, resulting in tooth decay, that is, tooth decay, so for people with bad teeth and tooth decay, try to drink less lemon water. Although lemon water may not be suitable for some people, for normal people, drinking lemon water in moderation can effectively replenish vitamin C and play a certain antioxidant role, such as alleviating skin surface pigmentation and fighting free radicals. Lemon water tastes acidic and can promote the secretion of proteolytic enzymes in the stomach, increase gastrointestinal motility, and has a certain diuretic effect, which can accelerate metabolism. In addition, drinking lemon water in moderation has some auxiliary effect on the prevention of cardiovascular diseases.