The grapes themselves have laxative and laxative effect, drink water immediately after eating grapes, the stomach has not had time to digest and absorb, the water will be diluted stomach acid, grapes and water, stomach acid rapid oxidation, fermentation, accelerated intestinal peristalsis, produced diarrhea. However, this kind of diarrhea is not caused by bacteria and will heal without treatment. Grapes contain vitamin C, and some of the ingredients in the milk and grapes contain vitamin C reaction, the stomach is very harmful, the two at the same time will take diarrhea, severe cases will also vomit, so just eat grapes can not drink milk.

After eating grapes, you must rinse your mouth. Some grapes contain a variety of fermented sugar substances, teeth have a strong corrosive, if you do not rinse your mouth after eating, the mouth of the grape residue is easy to cause dental caries.