Why Bones Need Stress

Something unusual happened during a recent run: I fell. Nothing serious, just a few scrapes and a sprained wrist. It got me to thinking that I haven’t talked about bones in a long time; there are 206 of them in adults, and they have to last us our entire lifetime. This week’s messages are all about bones. I’ll approach it from a different way than you can find by doing an Internet search.

The critical thing to understand is that bone is live tissue. We tend to think of it as something solid, and it is. But . . .

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