Vigorous exercise reduces breast cancer risk: Study

[News]

Vigorous exercise of more than two hours per week reduces the risk of developing breast cancer in postmenopausal African-American women by 64 percent, compared to women of the same race who do not exercise, according to researchers at Georgetown Lombardi Comprehensive Cancer Center.

More... (http://www.news-medical.net/news/20101004/Vigorous-exercise-reduces-breast-cancer-risk-Study.aspx)