Description: Many medications on the market today are prescribed for one condition but have been found to help others as well. Is your drug doing double duty? "Many drugs do have added benefits," says Marc Siegel, MD, clinical associate professor at New York University School of Medicine. Aspirin, for example, can not only treat headaches, but it also reduces the risk of heart attack and has been shown to possibly lower the risk of breast and colon cancer, to name just a few of its benefits.