粗粮不仅有益健康,也是我们生活中的必需品,但是值得注意的是,有几类人不能多吃粗粮。一、胃肠功能差的人群胃肠功能较差的人群,吃太多粗粮会加重胃肠负担。二、缺钙、铁等元素的人群粗粮里含有的植酸和食物纤维会结合形成沉淀,从而阻碍机体对矿物质的吸收。三、患消化系统疾病的人群 Coarse grains are not only good for health but also a necessity in our lives, but it is worth noting that there are several groups who can not eat more coarse grains. First, poor gastrointestinal function Poor gastrointestinal function of people, eating too much coarse grains will increase the burden of gastrointestinal. Second, calcium, iron and other elements of the crowd Coarse grains contained in phytic acid and food fibers will form a precipitate, thus hindering the body’s absorption of minerals. Third, people suffering from digestive diseases