spf above 30 and they found the scoring conscreen spf 45 no ad with aloe and vitamin e, and the cheapest, just 59 cents an ounce. four your health news check out cnn.com/health. we want to take an in-depth look at what some may call overmedicated americans. according to the cdc, 74% of doctor visits result in a prescription. as a result, 48% of americans now use at least one prescription, but three quarters of people, three out of four americans, are misusing those prescriptions. joining us to talk about this is dr. john abramson the author of "overdosed america," also a lecturer at harvard medical school, he's in boston this morning. welcome to the program. all these drugs are not making us healthier. you point out that 70% of your health is derived from lifestyle choices, not by the drugs you take. why are we taking so many drugs? >> christine, that's the key question. and the reason is, that we believe, we public believe, and