Drinking frozen milk is very harmful to internal organs. When frozen milk enters the stomach, it will stimulate the gastric mucosa, cause strong contraction of blood vessels, reduce the secretion of gastric acid and digestive enzymes, and greatly weaken the original sterilization and digestive functions of the stomach. At the same time, the stimulation of frozen milk on gastrointestinal smooth muscle will enhance gastrointestinal peristalsis, thus causing dull pain in the upper abdomen and acute stomach cramps or diarrhea. It is a miracle that you don't have diarrhea after eating.

Don't be so young. When you are old, you will understand that many problems are caused by negligence when you were young, and it is too late to regret later. Therefore, it is most important to lay a good foundation when you are young.