Wednesday, June 27, 2012

Exercise and Breast Cancer Risk



It is now known that physical activity reduces the risk of breast cancer but the exact relationship between “dose” and timing of exercise  - particularly in relation to menopause – is less well defined.   A new study from the Department of Epidemiology at the University of North Carolina was recently published on-line in the journal Cancer.
The study examined these relationships in more than 1500 women with breast cancer and 1200 controls who did not in the Long Island Breast Cancer Study Project
The results indicated that exercise had no preventative effect when the onset of breast cancer prior to menopause was examined.  However, lifetime exercise was strongly related to cancer-free survival when breast cancer onset after menopause was examined. Child-bearing women who had exercised between 10-19 hours per week prior to and after menopause experienced a 30% reduction in the risk of breast cancer.  Surprisingly, exercise intensity did not seem to affect the relationship.  The data indicated that substantial postmenopausal weight gain may eliminate the benefits of regular exercise.
These results are strong evidence that exercise and weight maintenance are powerful factors in the prevention of breast cancer.
Read more about the study here.

10 comments:

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  2. That's great! I do agree with Joshua Thompson, Exercise certainly reduces many health risks. I would like to add here that exercise also reduces menopause symptoms in women to a great extent.

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  3. Exercise is one of the best way to control menopause and weight gain . I entered in menopause and also it increase my weight. This post is energetic and gives motivation to move on exercise.

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