老年人容易发生骨折,其中一个重要原因就是缺钙。因此,很多老年人在骨折后就大量补钙。其实,这种做法不科学。因为机体在新陈代谢过程中,需要的钙是有一定限度的,一般正常饮食所摄入的钙就能满足生理上的需要。大量服用钙片时,除少部分经肠道吸收外,多余的部分则随粪便排出体外。另外,有些老年人骨折是由创伤或其他病理因素所致,并非由机体缺钙而引起。恰恰相反,在骨折发 Elderly people prone to fracture, one of the important reasons is calcium deficiency. Therefore, many elderly people after a fracture a lot of calcium. In fact, this approach is unscientific. Because the body in the metabolic process, the need for calcium is a certain limit, the general dietary intake of calcium to meet the physiological needs. When taking a large number of calcium tablets, in addition to a small part of the intestinal absorption, the extra part of the excreted with the feces. In addition, some elderly fractures are caused by trauma or other pathological factors, not caused by calcium deficiency in the body. On the contrary, in the fracture hair