适量进食含纤维素高的食物对人体是有益的,是值得提倡的。但是,纤维素也有其对人体不利的因素,中年人食高纤维素食物也并非越多越好,应该有个度。过食粗粮也不好。1．如果粗粮吃的太多,就会影响消化。过多的纤维素可导致肠道阻塞、脱水等急性症状。2．长期过食粗粮,还会影响吸收,使人体缺 Moderate consumption of food containing cellulose is beneficial to the human body, is worth promoting. However, cellulose also has its negative factors on the human body, middle-aged human food high-fiber foods are not better, should have a degree. Eating coarse grains is not good either. 1. If you eat too much coarse grains, it will affect digestion. Excessive cellulose can cause intestinal obstruction, dehydration and other acute symptoms. 2. Long-term excessive consumption of coarse grains, but also affect the absorption, so that the human body is missing