Oxycodone pills on a blue background.
Opioids leave much to be desired in medical treatment. They are highly addictive, very lethal, and not all that effective for treating chronic pain. Cannabis, particularly THC, is promising for its opiate-sparing properties: preclinical work indicates that cannabis synergizes with the painkilling... Read more

Featured Articles

Hemp products concept. Cannabis seeds, coils of rope and green plant on homespun cloth
It's been six months since Congress passed the Farm Bill legalizing hemp for cultivation. It's high time that we rectify some common myths about this plant.
Radula liverwort moss on a wet branch.
Dozens of plants – not just cannabis – contain compounds that interact with the endocannabinoid system
Project CBD speaks with Greg Gerdeman, neuroscientist, former professor, and chief science officer with 3 Boys Farms on the endocannabinoid system and the biology of wellness
CBD and LSD bind to the same serotonin receptor, which mediates psychedelic altered states. But cannabidiol has anti-psychotic properties and doesn't cause hallucinations.
cultivación del cannabis sustenable
Companion planting, a method of cultivation where plants are grown together to promote a flourishing ecosystem, offers many benefits for marijuana growers.

Essential reading

Cannabidiol—CBD—is a cannabis compound that has significant medical benefits, but does not make people feel “stoned."
Project CBD has created a beginner’s guide for cannabidiol & cannabis therapeutics to address key questions of CBD users.
Medical cannabis research shows that CBD may be therapeutic for many conditions.
With the growing awareness of CBD as a potential health aid there's also been a proliferation of misconceptions. Find questions and responses to common misinformation.
Project CBD science advisor Jahan Marcu, PhD, reports on the hidden dangers of propylene glycol and vape pens that smolder.

Smoke Signals: The Book

Image of the book Smoke Signals

Smoke Signals: A Social History of Marijuana

Get the book by Project CBD director Martin A Lee

  • Winner of the American Botanical Council’s James A. Duke Excellence in Botanical Literature Award
  • “Every American should read this landmark book!” — Douglas Brinkley
Get the book

Upcoming events

Map of upcoming events
Portland , Oregon , United States
May 22, 2019
Memphis , Tennessee , United States
Jun 10, 2019 to Jun 12, 2019
Rockville , Maryland , United States
Jun 29, 2019 to Jul 4, 2019