Grapes are rich in food value and nutritional value. However, you should not eat too much grapes, otherwise it will cause some health problems. In particular, diabetics should eat less because grapes contain high sugar content. Can easily cause blood sugar to rise.

1. Eating too many grapes will cause constipation. The high-heat content of grapes is not suitable for people with yin deficiency, internal heat and constipation.

2. Grapes are rich in sugar. Eating more can easily cause blood sugar to rise. Diabetics must eat with caution.

3. Eating a large amount of grapes and then drinking water can easily lead to diarrhea. Grapes themselves have the effect of laxative and intestinal moistening. If you drink water immediately after eating grapes, the stomach acid will be diluted before the stomach can digest and absorb the water. The grapes, water and stomach acid will be rapidly oxidized and fermented, which will accelerate intestinal peristalsis and cause diarrhea. Moreover, grapes, milk, and seafood cannot be eaten at the same time, because grapes contain fruit acid, which will coagulate the protein in milk and seafood, which not only affects absorption, but also causes symptoms such as bloating, abdominal pain, and diarrhea in severe cases.

4. Grapes contain a variety of fermented sugars, which are highly corrosive to teeth. Eating large amounts can easily cause dental caries.