New evidence on how weight, diet, and exercise can help reduce cancer risk

Feb. 18, 2014, The Washington Post

By Suzanne Allard Levingston

Cutting your risk of cancer is no longer just about shunning tobacco. Be lean. Eat healthfully. Get active. Common-sense lifestyle strategies for lowering the risk of heart disease and diabetes are now being shown to help prevent many types of cancer.

Of course, there are few absolutes in cancer prevention. Cancer is still a riddle, with many factors, including genetics, playing a role. But growing evidence suggests that there are steps that we can take to lower our chances of getting the disease, experts say.

Otis Brawley, chief medical officer for the American Cancer Society (ACS), urges careful attention to the “three-legged stool” of excess weight, poor diet, and inadequate physical activity, which together are linked to between a quarter to a third of cancer cases. If tobacco use continues its decline of the past 15 years or so, he said, that trio may supplant smoking as the leading preventable cause of cancer. Continue reading