As the second leading cause of death in the United States (heart disease is still number one), there’s a good chance that you or someone you know has battled cancer. The good news is that nearly half of all cancer deaths can be prevented with early detection and treatment. While some cancers are hereditary, the American Cancer Society (ACS) estimates that one-third of cancer deaths in the U.S. is due to dietary factors, while another third is caused by cigarette smoking...