Developer's DescriptionBy lahcenappsincA healthy diet can help you prevent or fight cancer. Heres how to lower your risk with cancer-fighting foods.A healthy diet can help you prevent or fight cancer. Heres how to lower your risk with cancer-fighting foods.Some cancer risk factors, such as genetics and environment, are out of your control, but research suggest that about 70% of your lifetime risk of cancer is within your power to change, including your diet. Avoiding cigarettes, limiting alcohol, reaching a healthy weight, and getting regular exercise are all great steps for preventing cancer. Adopting a healthy diet can also play a vital role.