Cannabis Studies

Marijuana consumption by Colorado high school students has dipped slightly since the state first permitted recreational cannabis use by adults, a new survey showed on Monday, contrary to concerns that legalization would increase pot use by teens. The biannual poll by the Colorado Department of Public Health and Environment also showed the percentage of high […]

Citing the growing support for cannabis legalization in the U.S., the international team said the study can inform policymakers, healthcare professionals, and the public about the potential consequences of cannabis use (JAMA Psychiatry, June 1, 2016). “We can see the physical health effects of tobacco smoking in this study, but we don’t see similar effects […]

Based on a recent study published in the journal Biological Psychiatry, a team of researchers from The Netherlands found that the use of marijuana or cannabis during pregnancy can potentially cause abnormal brain structure in children. (Photo : Ian Waldie/Getty Images) Experts have already warned about the effects of smoking marijuana (cannabis) and cigarettes to […]

(Elaine Thompson/AP) 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 […]

London:  Moms-to-be, take note! Smoking cannabis during pregnancy may cause abnormal brain structure in babies, affecting regions linked to complex cognition, decision-making and working memory, a new study has warned. An estimated 2-13 per cent of women worldwide use cannabis during pregnancy, researchers said. Previous studies have identified short and long-term behavioural consequences of prenatal […]

Funding for an environmental impact report – a key element in crafting a permanent ordinance to regulate medical marijuana cultivation and commerce – nearly failed for lack of second, and then passed by the narrowest of margins at the Calaveras County Board of Supervisors meeting on Tuesday. Planning Director Peter Maurer asked the board to […]

The argument for cannabis legalization in the U.S. could be bolstered by new research, which found that long-term smoking has no negative effects on a user’s health.  Scientists at Arizona State University recently discovered that smoking marijuana for up to 20 years is not associated with a raft of physical health problems.  The study, published […]

Illustration: Ryan Olbrysh It’s been just over two years since Nevada began turning its medical marijuana program from a legislative abstraction to a concrete reality. Today, Las Vegas has two dozen dispensaries and more than 18,000 people in our state possess Nevada medical marijuana cards. And it’s not just Nevada: More than half of the […]

In the lead up to the successful marijuana legalization vote in Colorado in 2012, marijuana opponent Kevin Sabet made the outlandish claim that for every dollar that marijuana legalization would generate for Colorado, there would be ten dollars in ‘social costs.’ These ‘social costs’ include policing stoned drivers, dealing with an uptick in addiction, and a […]

The old trope of cannabis making users outrageously violent is as old as Harry Anslinger’s Gore File, yet despite evidence to the contrary, this myth has stuck around and taken new forms over the years. A new study by UC Davis and Duke University is making headlines, purporting to show that cannabis use may increase the rate […]

WASHINGTON — In the 20 years since California first legalized medicinal marijuana, the industry enjoyed significant growth in terms of size and sales. Currently, two dozen states have legalized marijuana for medicinal use and four states (and Washington, D.C.) have legalized the drug for recreational use. According to the cannabis research firm ArcView Market Research, […]

PUEBLO, Colo. – Colorado State University-Pueblo is closer to being able to conduct research on marijuana. On Monday, Pueblo County officials agreed to provide up to $270,000 in funding to research the impact of marijuana on the community and the efficacy of treating various issues, like post-traumatic stress disorder, with medical marijuana. Also, a new […]