The use of cholesterol-lowering drugs called “statins,” which include drugs such as Lipitor and Pravachol, may cut the risk of aggressive forms of prostate cancer, researchers report in the American Journal of Epidemiology.Recent reports have tied statin use to a reduced risk of various malignancies. However, only one study looked specifically at the association with prostate cancer and it found a statistically insignificant increase in risk with statin use.