States That Legalize Medical Marijuana See Fewer Painkiller Overdoses

As the number of patients who receive opioid prescriptions to treat non-cancer pain has increased in the past decade, so too have the number of overdoses. A new study, however, finds that states that legalized medical marijuana between 1999 and 2010 had 25% fewer annual overdose deaths than the rest of the U.S. » 8/28/14 9:00am Today 9:00am

Marijuana Legalization Could Keep Democrats In Control Of The Senate

The Republican Party has an excellent chance of winning the majority of Senate seats this November. Alaska could make the difference, since incumbent Democrat Mark Begich is particularly vulnerable. But a ballot initiative on legalizing pot could keep him in office, and maintain a Democratic majority. » 8/21/14 11:07am 8/21/14 11:07am

Does Researching Casual Marijuana Use Cause Brain Abnormalities?

Last week, a study was published that claimed to establish a link between casual marijuana use and abnormalities in the brains of recreational users. Intrigued by a claim made by one of the paper's authors in the wave of ensuing press coverage, UC Berkeley computational biologist Lior Pachter decided to take a closer… » 4/22/14 8:20am 4/22/14 8:20am

What can we actually learn from the UK's first marijuana 'overdose'?

Gemma Moss recently became the first woman in Britain "ruled to have been poisoned to death by smoking cannabis," her sudden death referred to by tabloids as "the tragic proof that cannabis can kill." But Moss's story, while undeniably sad, has told us next to nothing about the dangers of pot. At the same time, its… » 2/01/14 10:00am 2/01/14 10:00am

Debunking this week's hottest pot myths point-by-point

Earlier this week, heavyweight columnists David Brooks and Ruth Marcus weighed in on the debate over the recent legalization of marijuana in Colorado. Armed with reason and findings from several studies, Time's Maia Szalavitz has served up a refreshing piece of debunkery that tackles their misinformed contentions… » 1/05/14 3:00pm 1/05/14 3:00pm

You Can Smoke Pot In GTA V, According to Ratings Board

We had a hunch it was going to be possible, and, now, the people who rate video games are letting the cat out of the dimebag. You can smoke pot in GTA V, according to the Entertainment Software Ratings Board. That same group has offered a bunch of other mild spoilers for GTA V, if you're interested. » 8/20/13 7:46pm 8/20/13 7:46pm

California's marijuana boom is wreaking havoc on the environment

The Los Angeles Times is reporting that the dramatic rise in pot farms in Northern California is starting to take a toll on the surrounding environment. Agricultural practices like water-siphoning, pesticide spraying, and littering are having a noticeable effect on what is a very fragile ecosystem. » 12/25/12 2:30pm 12/25/12 2:30pm

More evidence that marijuana could slow brain aging

Researchers can't seem to make up their minds about the long-term cognitive effects of marijuana. Some studies have shown that it reduces brain power and impairs working memory, while other studies are indicating that it can suppress brain inflammation and confer other neuroprotective properties. And now, perhaps… » 10/30/12 3:31pm 10/30/12 3:31pm