Use of marijuana among college students climbed sharply from 2017 and 2018, researchers say, as did their vaping of marijuana and of nicotine.

Additional research could determine if changes to the gene resulting from cannabis use contributes to autism in children.

Wastewater shows that, after legalization in Washington state, marijuana use went up and shifted toward legal purchases.

Marijuana can bring certain couples closer together, researchers say.

The finding runs contrary to the belief that marijuana users who get "the munchies" will ultimately gain more weight.

Women should think twice before using cannabis while pregnant. Here's why.

Synthetic biology can turn yeast into green little factories for cannabinoids—THC, CBD, and some not even found in cannabis.

With the legalization of marijuana in many places in the US, parents are facing a new challenge of how to talk to their kids about it.

Adolescent cannabis use could harmfully alter mental health, report researchers.

Synthetic cannabis compounds show promise for slowing colon cancer cell growth, researchers report.