By far the most common bone disease, osteoporosis - a thinning of the bones with a reduction in bone mass - affects an estimated 10 million people in the U.S. The condition is one of several factors that increase the risk of bone fracture.
Some Women Resist Osteoporosis Drugs
Diet and Exercise Are Not Always Enough
GRAPHIC: BY Brenna Maloney and Todd Lindeman The Washington Post - June 11, 2007
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