The first danger of drinking Coke is that it can cause osteoporosis, resulting in back and knee weakness, back and leg pain and high incidence of tooth decay. Because cola often contains a lot of phosphorus, and phosphorus has a great replacement effect on the calcium in the bones. Therefore, if you drink cola and lose calcium, it will cause osteoporosis and show the consequences of weakness of waist and knee, tooth decay and back pain. The second danger of drinking cola is to increase weight, because cola contains high levels of glucose syrup or other sugars, which can cause too much energy to enter our bodies and be stored in the form of fat, which can cause a high incidence of obesity.