5. Cruciferous vegetables
These vegetables are rich in vitamins, minerals, and other nutrients. They include broccoli, cabbage, cauliflower, kale, and beets. They contain a number of carotenoids such as beta-carotene, lutein, and zeaxanthin as well as vitamins C, E, and K; folate; and minerals. These vegetables prevent cancer by protecting cells from DNA damage, helping inactivate carcinogens, inducing cell death of carcinogens, and inhibiting tumor blood vessel formation. Moreover, they protect you from free radicals which can damage the DNA of your cells.