Evidence-based research about cannabis
STEM is an independent, methodologically rigorous, and updated cannabis evidence resource for the health care sector that synthesizes what is known from research and what is left to learn about the health effects of cannabis.
Recent News
THC lingers in breastmilk with no clear peak point
When breastfeeding mothers in a recent study, published in the journal Breastfeeding Medicine, used cannabis, its psychoactive component THC showed up in the milk they produced. The Washington State University-led research also found that, unlike alcohol, when THC was...
Justice Department formally moves to reclassify marijuana as a less dangerous drug in historic shift
The Justice Department formally moved to reclassify marijuana as a less dangerous drug in a historic shift in generations of U.S. drug policy. A proposed rule sent to the federal register recognizes the medical uses of cannabis and acknowledges it has less potential...
Hospital Visits For Cannabis Poisoning Tripled Among Seniors After Canada Legalization, Study Finds
The number of older adults hospitalized for cannabis poisoning tripled after Canada legalized the retail sale of marijuana, according to a study published Monday in the journal JAMA Internal Medicine, as the drug’s rapid legalization in North America leads to...