Hemp and marijuana are the same species. So why all the different laws?
Farmers in the U.S. have grown cannabis since the 1600s — but policymakers are still figuring out how to regulate…
No clear evidence that cannabis-based medicines relieve chronic nerve pain, updated review finds
There is no clear evidence that cannabis-based medicines provide pain relief for chronic neuropathic pain, an updated review in the…
Like alcohol units, but for cannabis—experts define safer limits
Researchers at the University of Bath in the UK are proposing thresholds for safe—or at least safer—cannabis use and hope…
Cannabis produces acute hyperphagia in humans and rodents via increased reward valuation for, and motivation to, acquire food
Proceedings of the National Academy of Sciences, Volume 122, Issue 52, December 2025. SignificanceCannabis stimulates feeding, though the mechanistic underpinnings…
Highlights
Latest Cannabis
Indoor Marijuana Ops Are Consuming a Staggering Amount of Energy
More than a decade after Colorado became the first U.S. state to legalize recreational marijuana, nearly half (24) of states…
Warning signs may not be enough to deter cannabis use in pregnancy, study reveals
Warning signs at dispensaries about the potential health effects of cannabis use in pregnancy may not be effective, according to…
Is CBD use during pregnancy as safe as people think? New study uncovers potential risks to babies
Cannabidiol (CBD), the component in cannabis often used for therapeutic treatments, is increasingly being used during pregnancy as a means…
U.S. cannabis shoppers face a market flush with illegal weed
In much of the U.S., illegal cannabis outcompetes legal weed sold in licensed shops. For consumers, it can be difficult…
Even where weed is legal, product safety isn’t guaranteed
Most states allow some sale of cannabis, but testing for pesticides and mold in the weed supply varies from one…
The Link between Cannabis and Psychosis in Teens Is Real
Teens have access to vastly more potent cannabis than their parents had at their age. Parents need to understand the…
How safe is your weed? Patchy regulations may leave contaminants in the weed supply
Millions of Americans use cannabis and would like to think the products they buy are safe. But regulation is state…
Cannabis Tied to Poor Memory Performance in Largest, Lifetime Study
Learn more about the largest study to link lifetime cannabis use and brain activity...Read More
