Exercise Reduces Breast Cancer Risk

For years now, health experts have suspected that vigorous exercise may reduce the likelihood of breast cancer, but they never had the numbers to back up the hypothesis. Now they do. A new study from the National Cancer Institute in Bethesda, Maryland, asked more than 110,000 post menopausal women to rate their level of
physical activity at ages 15-18, 19-29, 35-39, and in the past 10
years. Science Daily reports that the researchers found that women who
engaged in more than 7 hours per week of moderate-to-vigorous exercise
for the last ten years were 16 percent less likely to develop breast cancer
than those who were inactive.

Read more in Science Daily.