Summary: How confident are you that the drugs you take, whether they're over-the-counter or prescription, are totally understood by the companies who make them? Drug makers know what their products do when they enter your body, right? You shouldn't assume that. In this episode of Signal, we talk everything from Tylenol to fen-phen to Viagra and why you should probably think hard before you take any drug at all. This Signal podcast was produced by Katie Hiler. Illustration by Molly Ferguson for STAT.
