Why did they pick a 30 year old white woman as the standard for a Definition of Osteopenia?
Why should men and women in their 50’s and 60’s be judged against this standard? The reason has to do with the development of bone density in human beings. First, Caucasian women tend to lose densityof their bones at an earlier age than most other groups. Second, our bones go through a regular cycle duringour life spam. The bones of children grow very fast – that is why they grow taller. After the major growth in lengthhas slowed, their bones continue to grow – but now it is in thickness and strength. This accelerated bone growth happens because the osteoblast of children (the cells that build bone) are more active than their Osteoclasts {the bones that remove old bone.) About the age of 30 – 32, their occurs a shift in the activity of our bone building/removing cells and Oseoclases, whose job it is to remove old bone, become more active. So it is around age 30 – 32 that most people experience their greatest bone strength. After that it is downhill. And since one of the aims of health
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