Key facts and the latest scholarship on methamphetamine, a highly addictive drug that has recently made a resurgence.
After the passage of California’s Proposition 47, which reduced criminal penalties for drug possession, felony drug arrest rates declined and racial disparities among these arrests decreased.
An overview of violence in Brazil to help international political reporters who are covering the October elections
A new study records discrepancies in the reporting of cases of newborn exposure to illicit substances to state agencies in Illinois.
While the nation’s ongoing opioid epidemic is often discussed as a white issue, new research indicates that prescription opioid use in black adults is just as high.
Cannabidiol, a.k.a. CBD, is a marijuana extract associated with therapeutic benefits. We gathered research that evaluates these claims.
New research indicates that safe injection sites help people who use drugs access treatment.
Research on the history, pharmacology and toxicology of kratom, a "herbal high" that's new to the U.S.
A new working paper from scholars at the University of Connecticut and Georgia State University finds that alcohol sales decreased in states that have legalized medical marijuana since 2006. As of late 2017, medical marijuana is legal in 29 states and the District of Columbia; recreational marijuana is legal in eight states and D.C.
Marijuana strains grown for potency contain less of a natural compound that seems to protect adolescent brains.