A one-paragraph letter, barely a hundred words long, unwittingly became a major contributor to today's opioid crisis, researchers say.
"This has recently been a matter of a lot of angst for me," Dr. Hershel Jick, co-author of that letter, told Morning Edition host David Greene recently. "We have published nearly 400 papers on drug safety, but never before have we had one that got into such a bizarre and unhealthy situation."