Millions of Americans have osteoporosis. They are mostly women, but more than 2 million men also have this disease. White and Asian women are most likely to have osteoporosis.

The risk of osteoporosis grows as you get older. At the time of menopause women may lose bone quickly for several years. After that, the loss slows down, but continues. In men the loss of bone mass is slower. But, by age 65 or 70 men and women are losing bone at the same rate