Have you ever wondered how long that bottle of pills has been sitting in your medicine cabinet, and whether the meds are still usable? What’s the real deal with expiration dates on medication bottles? Well, according to a new story on National Public Radio, there are legitimate reasons for the “use by” dates on drugs and, once expired, most medications will be less effective, perhaps even putting your health at risk. Science reporter Patti Neighmond explores the reasons behind such dates, the risks of using “degraded” medications and the best way to store your drugs. Perhaps the most surprising finding? Your bathroom medicine cabinet may be the worst place to store your medications. Find out why by listening and reading Here.