The 7 Best Foods br to Fight Cancer.br These 7 foods have some surprising cancer-fighting benefits!.br 1. Black beans contain anthocyanins br and triterpenoids, which are br powerful antioxidants.br 2. The capsaicin found in chili peppers has been shown to cause cancer cell death.br 3. New research suggests that mushrooms br can slow the growth of breast cancer.br 4. Fatty fish like tuna, salmon, sardines and br mackerel contains cancer-fighting omega-3 fats.br 5. Dark leafy greens contain lutein br and beta-carotene which may help br prevent breast cancer.br 6. Pomegranates are high in br punicalagin and anthocyanins, br both powerful antioxidants.br 7.