Friday
05Jun2009
After-30 Exercise Cuts Breast Cancer Risk
Fri, June 5, 2009 |
Lisa Barger
First reported by Reuters, a new paper presented at the 2009 meeting of the American College of Sports Medicine says that 30-year-old women who exercise for at least an hour a week may reduce their risk of breast cancer, compared to women who don’t exercise.
Done at the University of Northern Colorado, this study asked more than 4000 women about their memories of exercise during various stages of their lives. What researchers found was that women who reported “average” amounts of exercise—at least one hour per week—in their 30s and beyond had “significantly” lower rates of breast cancer than women who lived more sedentary lives.
Surprisingly, exercise during the time the breast are developing—the “tween” and teen years—didn’t seem to impact future breast cancer rates at all.
Done at the University of Northern Colorado, this study asked more than 4000 women about their memories of exercise during various stages of their lives. What researchers found was that women who reported “average” amounts of exercise—at least one hour per week—in their 30s and beyond had “significantly” lower rates of breast cancer than women who lived more sedentary lives.
Surprisingly, exercise during the time the breast are developing—the “tween” and teen years—didn’t seem to impact future breast cancer rates at all.

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