10 Foods to Fight Breast Cancer«12345678910»Mushrooms Mary Vance explains fungi “such as shiitake and reishi boost immune function and attack cancer cells.” Mushrooms contain the lectin protein, which attacks cancerous cells and prevents them from multiplying.Pages: 1 2 3 4 5 6 7 8 9 10 Katherine ButlerKatherine Butler is the Beauty Editor of EcoSalon and currently resides in Los Angeles, California.