SODA CAUSES CANCER STUDY: Drinking Soda Linked To Prostate Cancer - A new study shows men who drink one soft drink, soda or pop a day have an increased risk for developing prostate cancer. As John Basedow reports, soda drinkers face about a forty percent greater chance of coming down with more aggressive forms of prostate cancer than non-soda drinkers. Drinking water, however, still remains a great way to stay healthy.