A new study finds that decades old medicine can still be effective. (Photo by John Moore/Getty Images)

Study: Many Long-Expired Drugs Still Effective

With dozens of drugs in short supply in the US and a massive national health bill, a recent study looked at whether or not expired medication would still be effective. Lee Cantrell, director of the California Poison Control System in San Diego, tested drugs that ranged from 28 to 40 years old.