As the CBD-based medication enters the market, the agency promises a crackdown on producers of cannabidiol products that make unproven claims.

Around 40 percent of children with an uncommon disorder had 50 percent fewer seizures while taking the marijuana derivative.

In young mice, THC had the opposite effect.

US scientists continue to have a hard time getting funding to study the health impacts of the drug. But cannabis research in Canada—where medical marijuana is legal nationwide—is different story.

A new report summarizes what we know about the impacts of marijuana use, as more states have legalized the drug for both medical and recreational purposes.

Science under Trump, gene drive, medical marijuana, and more

Stoned, Anxious, The Deeper Genome, and Testosterone

Scientists wishing to study marijuana’s health effects may now forgo a review by Public Health Services.

The dosage information on 83 percent of 75 edible marijuana products legally sold in Seattle, San Francisco, and Los Angeles was incorrect.