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An unhealthy diet is linked to about one third of all cancer cases. Here are the top "all-star foods" that can protect you.
Cancer is no longer thought to be solely the product of factors outside of our control such as heredity or accidental contact with toxic pollutants. In fact, scientists believe there is a great deal we can do to reduce our risk of developing the disease.

The 2007 Expert Report by the World Cancer Research Fund (WCRF) found that the food we eat and other lifestyle choices such as daily physical activity and maintaining a healthy body weight are key to preventing cancer. This epic report – which was five years in the making and reviewed 7,000 large-scale studies – found that an unhealthy diet is linked to about one third of all cancer cases.

In fact, according to U.S.-based The National Cancer Institute (NCI), serious diseases that are linked to what we eat kill an estimated three out of four Americans each year. These diseases include heart disease, high blood pressure, stroke, diabetes and some types of cancer.

But while the foods you eat can hurt you, they can also help you. And not surprisingly, fruits and vegetables are “All-Star foods” when it comes to protecting yourself against cancer.

Foods you gotta love

Research shows that diets most protective against cancer are predominately plant-based. Here are just a few ways food can help in the battle against cancer.
Cruciferous vegetables (broccoli, cauliflower, kale, brussels sprouts, bok choy, kale) contain two antioxidants, lutein and zeaxanthin that may help decrease prostate and other cancers.

Foods that contain folate such as liver, spinach, beans, broccoli, oranges, lettuce, avocado, and asparagus are thought to help protect against cancer of the pancreas. Avocados are also rich in glutathione, a powerful antioxidant that attacks free radicals in the body. They also provide even more potassium than bananas.
Onions, chives, leeks and garlic may help prevent stomach cancer. Garlic also has immune-enhancing allium compounds that appear to increase the activity of immune cells that fight cancer.

The beta carotene found in carrots may help reduce a wide range of cancers including lung, mouth, throat, stomach, intestine, bladder, prostate and breast. (Some research suggests beta carotene may actually cause cancer, but it has not proven that eating carrots, unless in very large quantities — 2 to 3 kilos a day — can cause cancer.) Sweet potatoes also contain many anticancer properties, including beta-carotene.
Certain types of mushrooms such as Shitake, maitake, and reishi are thought to help build the immune system and prevent cancer cells from multiplying.