Top 10 Cancer-Fighting Foods

It's been demonstrated that eating lots of fruits and vegetables can help you avoid disease. But which ones work best? We asked Patrick Quillin, Ph.D., R.D., vice president for nutrition at Cancer Treatment Institutes of America and author of Beating Cancer with Nutrition, for a list of the top cancer- fighting foods and the chemical shields that make them so tough:

1. Broccoli. Active ingredients: Sulforaphane, beta-carotene, indole-carbinol.

2. Tomatoes. Active ingredient: Lycopene.

3. Spinach. Active ingredient: Glutathione.

4. Oranges. Active ingredients: Bioflavonoids, vitamin C.

5. Garlic. Active ingredient: Allicin.

6. Apples. Active ingredient: Elagic acid, fiber.

7. Soybeans. Active ingredient: Genistein.

8. Carrots. Active ingredient: Beta-carotene, fiber.

9. Hot red peppers. Active ingredient: Capsaicin.

10. Green tea. Active ingredient: Catechin.