It can neutralize gastric acid, strengthen gastrointestinal absorption and strengthen stomach. However, drinking soda water for a long time may cause alkalosis, manifested as anorexia, nausea, headache, convulsions and even coma, especially for the elderly and patients with kidney disease. Ordinary soda water Ordinary soda water has a PH value of 7.5 to 9.0 and is weakly alkaline. It is safer to drink because it contains no sugar and sugar substitutes. At present, there is no report about the adverse effects of drinking ordinary soda water on human body. Soda water can lead to calcium loss. Some soft drinks have high phosphorus content, and the introduction of this beverage will lead to the loss of calcium in bones. With the increase of soft drink consumption, soda water has become the main cause of osteoporosis. In addition, tooth loss, periodontal disease and gingivitis are all related to high phosphorus intake, especially from soft drinks. Soda dissolves enamel and weakens your bones. Soda water with high sugar content is also terrible. In an interesting experiment, sugar in a soft drink destroyed white blood cells for more than 7 hours, which were originally used by the body to fight bacteria. Most importantly, the sugar and acid in soda can easily dissolve the enamel on our teeth. Soda water can increase the risk of obesity by 1.6 times. Now we know that drinking soft drinks will affect our bones, immune system and teeth. So what's the next step? Weight. The relationship between the consumption of carbonated soft drinks and weight is so close that researchers have calculated that every time you drink more carbonated soft drinks, the risk of obesity will increase by 1.6 times. Children who drink soda water are more likely to break bones and are more unsafe for children. According to the survey, children who drink soda water have a 3-4 times higher risk of fracture than those who don't. Moreover, there is sugar hidden behind the acid, and children rarely realize that they are drinking a mixture of phosphoric acid, sugar, caffeine, pigment and seasoning!