CLEVELAND, Ohio — A pair of recent studies from Canada are shedding light on the possible harms and benefits of legalized marijuana. Five years after Canada legalized the recreational use of cannabis, ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

A new study has revealed that numerous online dispensaries have inadequate age verification security systems, potentially allowing children to purchase marijuana without undergoing proper and secure ...

Medical marijuana use is skyrocketing: between 2016 and 2020, the number of people in the US with a licence to buy it more than quadrupled, reaching nearly 3 million – a figure that excludes people ...