Drug use and accidental overdoses are usually associated with the young and irresponsible. But not anymore. Baby boomers are now more likely to die of an accidental overdose than young people. Drug-related hospital stays and emergency room visits are also way up for people over the age of 50. Now, drug rehab programs are trying to figure out how they’re going to handle the almost 6 million boomers that will need treatment by 2020.