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It must have been something in the air. During a short time window at the end of the last ice age, Stone Age humans in Europe and Asia independently began using a new plant: cannabis. That’s the conclusion of a review of cannabis archaeology, which also links an intensification of cannabis use in East Asia…

Rates of marijuana use among Colorado’s teenagers are essentially unchanged in the years since the state’s voters legalized marijuana in 2012, new survey data from the Colorado Department of Public Health and Environment shows. In 2015, 21 percent of Colorado youths had used marijuana in the past 30 days. That rate is slightly lower than the national…

“Cannabis brings us an awareness that we spend a lifetime being trained to overlook and forget and put out of our minds.” — Carl Sagan Most of us remember Carl Sagan as a brilliant scientist, a popularizer of both the methods and progress of human knowledge. Some know him as an advocate of space exploration…

Dan Baum, writing in support of drug legalization at Harper’s, has unleashed a frank 1994 quote from former Nixon policy advisor John Ehrlichman, and as inadvertently salient an argument for legalizing drugs as any I’ve ever seen: At the time, I was writing a book about the politics of drug prohibition. I started to ask…

Marijuana sales in the United States reached a record high in 2015. Legal in Alaska, Colorado, Oregon, Washington, and the District of Columbia, a whopping $3.4 billion of the green stuff was sold last year, according to Marijuana Business Daily’s Marijuana Business Factbook . The best way to give that figure some kind of perspective is by comparing…

The government in Italy recently decriminalized the cultivation of medical marijuana and production of the plant for research purposes. The court system in Italy is one of the most overcrowded and inefficient in Europe, so the government was forced to roll back a few of their laws and regulations to prevent so many people being…

I wish to support Senator Warren’s encouragement of the scientific community to pursue marijuana as treatment for pain and as a means to reduce the tragic increases in deaths by opiate overdose. By Scott Mendelson, M.D., Contributor On February 8, 2016, Senator Elizabeth Warren wrote a well publicized letter to Dr. Thomas Friedan, the Director of…

New research published today in the journal JAMA Psychiatry found that using marijuana as an adult is not associated with a variety of mood and anxiety disorders, including depression and bipolar disorder. This is a challenge to some previous research which has shown that marijuana use is associated with depression and anxiety. The researchers examined the records of…

The French beekeeper has self-medicated with cannabis since a very early age and he defines himself as someone that is passionate about nature and training all kinds of animals. Both of these factors have led him to spend years researching how to combine the properties of the plant and the insects that he dedicated his…

A growing number of countries are deciding to ditch prohibition. What comes next? IN AN anonymous-looking building a few minutes’ drive from Denver International Airport, a bald chemotherapy patient and a pair of giggling tourists eye the stock on display. Reeking packets of mossy green buds—Girl Scout Cookies, KoolAid Kush, Power Cheese—sit alongside cabinets of…