While grapes are said to have very high nutritional value, known as the world's top four fruits, but you can't eat too much at once, if you have a weaker constitution, there will be a lot of problems, so that you usually must not eat too many grapes.
First of all, if you eat too much grapes, there may be constipation, especially Yin deficiency and internal heat partners need to pay attention to, and grapes contain a lot of sugar, eat too much easy to lead to elevated blood glucose, which is older friends need to pay more attention to.
Secondly, we eat a lot of grapes and then drink water, it is easy to lead to diarrhea, because the grapes themselves have a laxative and laxative effect, if you just eat the grapes and then drink water, it is easy to dilute the gastric acid, and therefore there will be a fermentation, and a little bit more serious will lead to diarrhea.
Lastly, grapes also contain a variety of fermented sugars, especially on the teeth have a strong corrosive, eat too many grapes, the teeth will feel very uncomfortable, serious cases will cause dental caries. Not only that, eating too many grapes will lead to fat.