Guest guest Posted March 21, 2003 Report Share Posted March 21, 2003 I am only 27 years old ... I have osteoporosis because I had a brain tumor that crushed my pituitary gland so I never produced adequate estrogen for my bones.... now I have to weigh the risks with taking hormone replacement and possibly getting other female cancers (breast cancer, ovarian cancer etc.) Estrogen stops bone loss in response to the activity of the parathyroid hormones (PTH) -Hormones from your parathyroid stimulate the osteoclasts Osteoclasts are little cells that migrate through the bone and sniff out areas where there is old bone. Bone that was made 10 years ago. And they find those areas and they dissolve them away... kind of like pacman in the arcades- pacman comes in and eats up the old bone. .... And they leave a little space called a lacuna, a little lake - a little emptiness . The osteoclasts are the bone demolishing cells on your " bone construction crews " Estrogen is what controls this parathyroid growth activity... when someone does not have enough estrogen these parathyroid hormones begin to run wild and break down too much bone taken from a book I'm reading called " Preventing Osteoporosis " by Quote Link to comment Share on other sites More sharing options...
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