As more states legalize the medical and recreational use of marijuana, some health experts are warning that the drug is not a risk-free, nonaddictive substance as it is described by many legalization supporters. Weak public health oversight, a steep increase in daily…

Toronto’s top medical official wants Canada to decriminalize drugs as part of its strategy to tackle a spiraling opioid crisis.

Maritime routes along the East African coast have become central to the global heroin trade in recent years, enabled by a web of criminal players and political elites as European land routes become more difficult to bypass, according to new research. Drugs destined for the…

“Wastewater epidemiology” may be key to addressing America’s opioid crisis—but only if officials can accept the down-and-dirty results. Massachusetts-based Biobot Analytics uses water-sampling robots to analyze traces of opioids in sewer systems. The robots identify…

A lot of enthusiasm—and a lot of questions—have been raised about the Bridge, a new medical device purporting to ease opioid withdrawal, reports Jake Harper. The $595 electronic nerve stimulator won fans and funds praise from policymakers, criminal justice officials and…

As the opioid crisis spreads, needle exchanges have reached well beyond urban centers, but some communities are changing their minds. In Charleston, West Virginia, the influx of drug users to one clinic divided the health department and the city. Police department-imposed…

Genetics influence a person’s susceptibility to substance abuse disorder but understanding epigenetic factors may be key in fighting opioid dependence.

The opioid crisis is the deadliest drug epidemic in US history, but we’ve seen similar scenarios before, writes the New York Times editorial board. With 19th century morphine, “like today, the medical community was largely responsible for the epidemic.” And with AIDS in…

As a palliative care doctor in Kerala, India, M.R. Rajagopal, MD, sees suffering every day. Often, that suffering could be alleviated with inexpensive opioid medications, but pain killers are largely unavailable to poor people in India and around the world.

During France’s 1980s heroin epidemic overdose deaths rose 10% a year, but in 1995 a new policy allowed doctors to prescribe buprenorphine without special licensing or training. Within 4 years overdose deaths plummeted 79%, and primary-care doctors in the socialized health…