Will gain weight! Coke contains: carbonated water (water, carbon dioxide), white sugar, caramel color, phosphoric acid, caffeine and edible essence. Too much carbon dioxide affects digestion: in fact, enough carbon dioxide can play a role in sterilization, bacteriostasis and cooling. However, if you drink too much carbonated drinks, the released carbon dioxide will easily cause abdominal distension, affect digestion and even cause gastrointestinal dysfunction. A large amount of carbon dioxide can not only inhibit bacteria in drinks, but also inhibit beneficial bacteria in the human body, so the digestive system will be destroyed. 2. A lot of sugar is harmful to dental health: the thick sweetness of carbonated drinks comes from sweeteners, and the drinks contain too much sugar. Long-term drinking is very easy to lead to obesity, and the most important thing is that it will bring great burden to the kidneys, which is also one of the hidden dangers of diabetes. Professor Zhang Jiazhi said that this kind of sugar is very bad for tooth development, and it is particularly perishable. According to a survey, 12-year-old children will have a 59% increase in the probability of tooth decay, while 14-year-old children will have a 220% increase in the probability of tooth decay. Professor Zhang believes that even if you choose sugar-free carbonated drinks and reduce your sugar intake, these drinks are still very sour and may lead to tooth decay. 3. Phosphoric acid leads to osteoporosis: Most carbonated drinks, especially cola, contain phosphoric acid, which will subtly affect your bones. Drinking carbonated drinks often will threaten your bone health. A large amount of phosphoric acid intake will affect the absorption of calcium, resulting in calcium and phosphorus imbalance. This undoubtedly means slow bone development and osteoporosis. Therefore, we should be careful when drinking and buying carbonated drinks, not to drink them in large quantities for a long time.