Post-menopausal women who engage in moderate to vigorous exercise have a reduced risk of breast cancer. This comes from researchers writing the open access journal BMC Cancer who investigated the link between breast cancer and exercise. "With an estimated 182,460 new cases diagnosed in the United States in 2008, breast cancer is recognized as the most common cancer affecting U.S. women" says Dr. Tricia M Peters from the U.S.

Women over age 30 who regularly exercise decrease their chances of breast cancer, according to a study presented today at the American College of Sports Medicine's 56th Annual Meeting in Seattle. The comprehensive study narrowed in on specific age ranges, surveying 4,296 women about their physical activity practices during four key stages of life: 10 to 15 years old; 15 to 30 years old; 30 to 50 years old; and 50 years old and above.