The saying “the excess of anything poses a peril” is true when it comes to the formation of free radicals in our body. Free radicals are useful in our body as a tool to combat bacterial infections. As the body continues to produce free radicals you, in turn, need to indulge in a healthy balanced diet in order to support your body in managing the free radicals and preventing cell damage. You can prevent cancer through diet with a few lifestyle changes. Below are the top 12 cancer fighting foods that you should include in your daily routine.