I'm not trying to lead you astray. It's just that scientists are not skeptical enough about their mouse studies. iStockphoto hide caption

itoggle caption iStockphoto

Andrew Witty, CEO of GlaxoSmithKline, says that better control of infectious diseases in Africa is allowing chronic diseases to come to the surface. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

If new guidelines are followed fully, half the medicine chests in America could eventually be stocked with cholesterol-lowering drugs such as atorvastatin, the generic form of Lipitor. Bill Gallery/AP hide caption

itoggle caption Bill Gallery/AP

Now that Eli Lilly & Co.'s antidepressant Cymbalta and some other blockbusters have gone generic, the company is spending less on promotional activities by doctors. Darron Cummings/AP hide caption

itoggle caption Darron Cummings/AP