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medpundit |
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Friday, September 12, 2003The researchers analyzed data on 74,171 women ages 50 to 79 who participated in the government's Women's Health Initiative study from 1993 to 1998. Women who said they engaged in about 1.25 to 2.50 hours of moderate exercise weekly had an 18 percent lower risk of breast cancer than inactive women. But, as is their wont, the Women’s Health Initiative is exaggerating the implication of their findings by publicizing the relative risk rather than the actual risk. According to their data the annualized incidence rates between the physically active and couch potatoes only differ by a few percentage points, except for 35 year olds where the difference is ten percentage points. But, on a more encouraging note, a little bit of exercise is just as likely to help you lose weight and keep your heart healthy as strenuous exercise: A separate study in JAMA found that moderate exercise combined with dieting is about as effective as intense exercise in helping younger women lose weight and improve cardiovascular fitness. Interestingly, with diet and exercise, the women lost an average of 6 to 8 kg (13 to 17 pounds), not much different than the amount of weight loss claimed by diet pills like Meridia and Xenical. posted by Sydney on 9/12/2003 08:21:00 AM 0 comments 0 Comments: |
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