吃粗粮成了近年来的一种时尚。很多年纪大的人喜欢吃粗粮,一方面是在怀念过去的生活,另一方面也认为它营养高、口感好。可是,粗粮虽好,也最好不要多吃。因为其中含有过多的食物纤维,会阻碍人体对其他营养物质的吸收,降低免疫能力。粗粮是相对我们平时吃的精米白面等细粮而言的, Eating coarse grains has become a fashion in recent years. Many older people like to eat coarse grains, on the one hand is to remember the past life, on the other hand it also considered high nutrition, good taste. However, although coarse grains are good, it is best not to eat more. Because it contains too much food fiber, will hinder the body’s absorption of other nutrients, reduce immunity. Coarse grain is relative to the usual fine grain rice and other fine grains we eat,