Research on the history, pharmacology and toxicology of kratom, a "herbal high" that's new to the U.S.
Opioid users referred for treatment by the criminal justice system were 10 times less likely to receive evidence-based treatments such as methadone than those referred by other sources.
Elderly patients who were prescribed opiates had longer hospital stays, on average, than those who were not.
Americans are not all enjoying the same life expectancy gains. The differences, when mapped by county, could have predicted the 2016 presidential election.
Amid the opioid crisis, the synthetic drug fentanyl stands out for its danger and the sheer number of Americans it has killed. This tip sheet offers reporters background and resources.
If all general practitioners prescribed liked those from the best medical schools, 56.5 percent fewer opioid prescriptions would have been written between 2006 and 2014.