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人体骨骼主要由钙和水组成,人在25岁以后,骨纤维网捕“钙”以每年1.5%的速度开始流失,到60岁时流失量超过50%,形成骨质疏松、骨头疼。原因是内分泌水平下降,骨骼内的破骨细胞变得活跃,不断分解骨纤维网,导致纤维网松散、“网眼”扩大,一方面骨骼的弹哇下降、脆性升高,另一面导致纤维网破损,骨骼捕钙“能力下降,钙质会大量流失,骨头就会变酥、变脆、变空,这就是现在老年朋友为什么每天补钙
Human bones are mainly composed of calcium and water. After the age of 25, people begin to lose their bone fibers at a rate of 1.5% per year after they are 25 years of age. At the age of 60, they lose more than 50% of the total, forming osteoporosis and bones . The reason is the decline in endocrine levels, osteoclasts within the bones become active, continue to break down the bone fiber web, resulting in loose fiber web, ”mesh “ to expand, on the one hand the bones of the wow decline, brittleness increased, the other side of the fiber Network damage, bone trapping calcium ”ability to decline, a lot of loss of calcium, the bones will be crisp, brittle, empty, which is why elderly friends now daily calcium