More than any supplement or vitamin, getting certain nutrients through eating whole foods can help block tumors.
Carrots----Like kale and spinach, carrots pack carotenoids, an antioxidant group that may help prevent rectal cancer.
Tomatoes----Cooked tomatoes are especially good for the guys in your life. They contain a carotenoid called lycopene that might lower prostate cancer.
Fiber----Fare rich in fiber, including certain cereals, root and other types of vegetables, and legumes, seems to protect against colon cancer.