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Eating to Fight Cancer

Anticancer Diet
WebMD Feature

You already know that not smoking, maintaining a healthy weight, and drinking alcohol in moderation are keys to avoiding cancer. But what if you want to take cancer prevention one step further? What else can you do? Simple, say the experts -- eat right.

Though factors outside our control, such as genetics and environment, do play large roles in the development of cancer, a good diet can tip the scales in your favor.

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Research shows that dietary patterns are closely associated with the risk for several types of cancer. The American Cancer Society estimates that as many as 35% of cancer deaths may be related to dietary factors.

"Diets low in fat and high in fiber, fruits, vegetables, and grain products are associated with reduced risks for many cancers," says Elaine Magee, MPH, RD, author of Tell Me What to Eat to Help Avoid Breast Cancer and Eating Well for a Healthy Menopause, among others. In one recent two-year study, she says, non-melanoma skin cancer patients on a 20%-of-calories-from-fat diet had five times fewer new skin cancers at the end of the study compared with patients in the typical 38%-of-calories-from-fat control group.

In another recent study, says Magee, a lower-fat diet appeared to decrease breast-tissue density in menopausal women, which may decrease breast cancer risk.

Simple Plan

These American Institute for Cancer Research recommendations on diet and lifestyle can provide a starting point for your own cancer-prevention eating plan:

  • Don't eat more than 3 ounces of red meat daily -- about the size of a deck of cards.
  • Limit fatty foods.
  • Avoid salty snacks, and use herbs and spices instead of salt as seasoning.
  • Men should limit alcoholic drinks to two per day; women, to one per day.
  • Do not eat charred food.
  • Avoid being overweight. Limit weight gain during adulthood.
  • Take an hour's brisk walk (or get equivalent exercise) daily.

Although Americans are slowly adopting healthier diets, a large gap remains between recommended dietary patterns and what we actually eat. According to the CDC, only about 25% of adults in the U.S. eat the recommended five or more servings of fruits and vegetables each day.

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