Wednesday, November 12, 2008

Anti-Aging Plan (3 of 3)

Preosteoporosis: What is it?

Coined just 15 years ago, the term osteopenia (or preosteoporosis) describes bone densities that are lower than normal. It is not a disease. But rather a descriptive term to identify people who are starting to lose bone mass. Osteoporosis, which can be an outcome of osteopenia, is a known as the silent disease because it has no outward symptoms until a bone breaks. Ten million Americans, 80 percent of them women, have osteoporosis. But the number of people on their way to osteoporosis is much higher: 44 million Americans—33 million women and 11 million men—have osteopenia.

How do I find if I have it?

A noninvasive bone density scan measures bone strength. Bone density scans are rated by something called a T score. Normal bone density is anything above a T score of 1. Osteopenia starts at a score of -1, but it is not really a concern until the score drops to between -1.5 and -2. Osteoporosis is diagnosed at -2.5.

Should I get tested?

Because osteoporosis overwhelmingly affects women, all women should have a bone density test by age 65. Younger women should get tested if they have entered menopause and have any additional risk factors. These include a personal or family history of fractures; smoking, drinking in excess: taking corticosteroid or thyroid medications; or having type 1 diabetes or chronic liver or kidney disease. Men who pursue exclusively non-weight-bearing exercise program such as serious cyclists, any also want to get tested.

A recent study found that even very fit male cyclists could be at high risk for developing osteoporosis later in life if they pursued no other forms of physical activity.

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