Cured and smoked meats are usually high in fat and contain nitrites, which cause stomach cancer. Lower fat alternatives to meat are promising cancer fighters. Beans and legumes are rich phytochemicals. Isoflavones found in soy products may also be beneficial. Focus on fiber.
Numerous studies show a link between high fiber intake and decreased risk of colon cancer.
A fiber diet clearly has many benefits. Limit alcoholic beverages. Alcohol is associated with an increased risk of cancers of the mouth, esophagus, and larynx and possibly breast cancer. Both the ACS and AICR recommend avoiding alcohol or limiting yourself to one drink a day for women and two for men. Don't forget calcium and folate.