Men who drink fizzy drinks are not just ruining their teeth but could also be at risk of aggressive prostate cancer the Daily Mail reported Tuesday. A Swedish study has found just one soft drink a day could increase the risk of developing more serious forms of the cancer by 40 percent. Experts at Lund University also found those who ate a carbohydrate diet heavy in rice and pasta increased their risk of getting milder forms of prostate cancer which often required no treatment by 31 percent.And eating lots of sugary breakfast cereals raised the incidence of milder forms of the cancer