My older brother was just diagnosed with osteoporosis. I didn't even know men could have this problem. I thought it was just women. What causes it?

There are genetic, environmental, and hormonal factors in men that can lead to bone loss and osteoporosis. Sometimes it is related to some other disease or condition but in up to half of all cases, the cause is unknown.

The effects of aging is probably the most common cause in men 70 years old and older. After age 50 to 60, there's a natural decline in hormones that contributes to osteoporosis. Certain changes in genes affecting bone may also put some men at risk.

Prostate problems that result in the loss of the prostate and decline in hormones can also lead to osteoporosis. Other medical problems can also lead to osteoporosis. This can include thyroid dysfunction, GI problems, and other chronic diseases of the liver or lungs.

Your brother may not have any of these risk factors. As mentioned, there are some men who develop osteoporosis with no known cause. Treatment will depend on an accurate diagnosis. If the physician can find a specific cause, then management is aimed at that problem. If not, then measures are taken to supplement calcium and vitamin D. Drugs to restore bone may also be used.

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