多数人吃糖都喜欢把塘放在嘴里慢慢地含化,特别是硬糖,其实对身体是很有害的。因为人们的口腔中有一种乳酸杆菌,能使糖发酵产生乳酸。糖在嘴里的时间越长,产生的乳酸就越多,发生龋齿的机会就越大。同样,其他甜食也是一样,在口腔里停留的时间越短越好。而一些果类食品就不一样了 Most people like to eat sugar in the pond slowly containing, especially hard candy, in fact, is very harmful to the body. Because people have a kind of lactobacillus in their mouths, they can ferment the sugar to produce lactic acid. The longer the sugar is in the mouth, the more lactic acid it produces and the greater the chance of tooth decay. In the same way, the same applies to other desserts, with shorter stays in the mouth as possible. Some kinds of food are different