How much cannabis is too much? A new study proposes a weekly THC limit linked to addiction risk, suggesting adults staying ...

Pot is quickly becoming America's drug of choice, on track to replace alcohol, but its harms are becoming clear as well.

At what point does smoking pot get dangerous? A new study by researcher Rachel L. Thorne and her team provides the first concrete thresholds for the weekly dose at which the risk of cannabis use ...

A group of researchers has proposed clear, practical guidelines for safer cannabis use, similar to how alcohol consumption is ...

A new study links higher weekly THC intake to an increased risk of cannabis use disorder in young people. Researchers suggest ...

Dr. Smita Das often hears the same myth: You can’t get hooked on pot. And the misconception has become more widespread as a growing number of states legalize marijuana. Around half now allow ...

By translating cannabis use into standardized THC units, researchers uncover clear weekly thresholds that signal heightened ...

The science doesn’t back up President Trump’s case for reclassifying marijuana as a less dangerous drug, writes Mike Gimbel ...

Kentucky's second medical marijuana dispensary, Speakeasy Dispensary, has officially opened in Lexington. Here's what to know ...