Quote:
Originally Posted by EmilyFoxSeaton
I agree also.
I recently heard a theory on this that makes so much sense. That too much calcium causes osteoporosis. Basically your body can't have too much calcium in its blood. Or you will die. So it pulls the excess out of your blood and stores it in your bones. Temporarily. Over time it takes it out of your bones and lets it get extracted out of your body.
This process is not supposed to be going on all the time. Just everyonce and a while. The cells that do this are called osteoblasts and some die during the process and are not replaced.
So if you do this you entire life -- too much calcium-- by the time you get to 50 or so.. you don't have any or many oestoblasts left to help you put calcium in your bones. This could be another reason why calcium then raises heart attack risk.
Of course we need calcium but too much of it is an extreme problem and has been proven do to nothing with regard to bone health so why are people still overdosing on calcium?
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Yeah, none of what you just wrote is true and that "theory" does not exist...it only "makes sense" if you don't understand how bone turnover actually works
Bone turnover doesn't happen just once in awhile....there is CONSTANT turnover managed by osteoblasts and osteoclasts and the process isn't short circuited by having "too much calcium"
What ever calcium isn't needed for bone remodeling is excreted....its that simple.
The process of how bone turnover occurs is a well understood physiologic process....its not some big mystery
This is Orthopaedics 101 it isn't rocket science
"
The skeleton is a metabolically active organ that undergoes continuous remodeling throughout life. Bone remodeling involves the removal of mineralized bone by osteoclasts followed by the formation of bone matrix through the osteoblasts that subsequently become mineralized. The remodeling cycle consists of three consecutive phases: resorption, during which osteoclasts digest old bone; reversal, when mononuclear cells appear on the bone surface; and formation, when osteoblasts lay down new bone until the resorbed bone is completely replaced."
https://www.ncbi.nlm.nih.gov/pubmed/17308163