Steelclaws wrote:

There are actually 2 types of osteoporosis, primary type 1 or type 2 and
secondary osteoporosis. Osteoporosis is most common in women after
menopause, and is referred to as primary type 1 or postmenopausal
osteoporosis. Primary type 2 osteoporosis or senile osteoporosis occurs
at age 75 years and older and is seen in both females and males in a 2:1
ratio

Then there's the osteoporosis caused by diseases such as multiple
myeloma (it's often the first sign). This is what killed Hulda Clark -
hypocalcemia due to MM caused severe osteoporosis in her spine.

--
Peter Bowditch aa #2243
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