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
Delta-8 and -9 THC-O are controlled substances, DEA says
The U.S. Drug Enforcement Administration says that both cannabinoids delta-8 and -9 THC-O, which have been growing in popularity in recent years, are to be considered illegal controlled substances. DEA's position on the legal status of delta-8 and -9 THC-O came...
Oxford study to trial cannabis-based medicine as treatment for psychosis
Oxford scientists are to launch a major global trial to investigate whether cannabidiol (CBD) can treat people with psychosis or psychotic symptoms. The international study will involve 35 centres, mainly in Europe and North America. It will be coordinated by the...
Daily use of marijuana raises risk of heart disease, study finds
Using marijuana every day can raise a person’s risk of coronary artery disease, or CAD, by a third compared with those who never partake, a new study found. Study results suggest that daily cannabis users were 34% more likely to be diagnosed with coronary artery...
