Fed Study Shows Teen Use Declines, but Is the Data Any Good?
The annual SAMHSA survey finds adult cannabis consumption up, teen use down. But the study's methodology raises questions about the data.
Canadian Cannabis Retail Stores Concentrated in Low-Income Areas
According to a recent study out of Ottawa.
Wasn’t the DEA Going to Let Others Grow Research-Grade Cannabis?
Yes, it was. So why has the agency delayed applications? Sue Sisley demands an answer, and the courts agree with her.
The Latest in Cannabis Research: Winter/Spring 2019
From finding the brain region that gets you high to more benefits of CBD, we round up the most intriguing studies in cannabis science from the first half of 2019.
Study Finds Youth Cannabis Use Not Linked to Adult Brain Structure
An Arizona State University examined 200 brain scans from adults who used cannabis in their youth. They found 'no lasting effects.'
Why Don’t We Know More About Cannabis and Psychosis?
Some pundits claim cannabis causes psychosis. Scientists aren't so sure. A new study asks why, after years of research, the relationship remains so uncertain.
Conceive With Caution: How Cannabis Can Affect Fertility
Is there enough evidence surrounding cannabis and infertility to make any conclusive claims?
Three Big Questions for CBD Researchers
As basic research around cannabidiol steams ahead, a lot has yet to be done. Here are some of the big questions the scientists studying CBD will be looking to answer in the coming years.
The ‘Sleepy’ Cannabinoid CBN Might Not Actually Be Sedating
The cannabinoid CBN is popularly believed to be sedating and is commonly marketed as a sleep aid. But is there research to back this claim up?
Is Neem Oil Causing Cannabinoid Hyperemesis Syndrome?
Is cannabis overuse—or pesticides—behind cannabinoid hyperemesis syndrome? Leafly investigates the potential causes of this cyclical vomiting phenomenon.
Real or Not, Cannabinoid Hyperemesis Syndrome Is a Costly Diagnosis
Cannabinoid hyperemesis syndrome is a diagnosis that is poorly understood by doctors and popularly rejected by cannabis advocates. But more patients report that quitting cannabis led to recovery—unfortunately after footing astronomical medical bills.
Seed Certification, Global Research Lab Set Out to Standardize US Hemp
A global hemp research lab, a nascent national review board for hemp varieties, and a handful of seed certification programs are working to standardize US hemp for a world market.
Health Claims Draw Patients as Cannabis Science Catches Up
The number of medical marijuana cardholders more than tripled in the last five years, as more states jumped on the bandwagon. Meanwhile, barriers to research are finally falling.
Does Endocannabinoid Deficiency Play a Role in These Common Illnesses?
Dr. Ethan Russo, a prominent cannabis researcher, weighs in on his theory of endocannabinoid deficiency—or the idea that many common illnesses might be caused by an unbalanced endocannabinoid system.
Seniors Are Erasing the Line Between Medical & Recreational Cannabis Use
A Colorado study finds that nearly half of all seniors enjoyed legal cannabis last year: some medically, some recreationally, some for both.