Osteoporosis Health Center

Osteoporosis

Osteoporosis is a condition that involves the thinning of bone tissue and the loss of bone density over time. This causes the bones to become brittle and break easily. In the United States, over 40 million people have osteoporosis or are at a high risk for the condition.

Osteoporosis is more common among women than among men. About 1 out of 5 women over 50 years old have osteoporosis, and an estimated 50 percent will experience a fracture of the hip, wrist or bones of the spine (vertebra).

Osteoporosis occurs when the body does not...