Two dropper bottles lay on an aqua background. Their pink labels read "Acid" and "LSD," respectively.
One of the biggest issues with an unregulated drug market is the presence of adulterants. Whether it’s fentanyl-laced heroin, levamisole cutting cocaine, or 25I posing as LSD, the presence of cutting agents often causes more harm than the illicit drugs themselves. Researchers in Santa... Read more

Featured Articles

Overhead photograph of a glass of beer on an aqua and yellow background with a cannabis leaf floating on the surface of the beer.
What impact does cannabis legalization have on the use of other substances by college students?
A black-handled magnifying glass over a cannabis leaf on a bright yellow background.
Scientists often interpret research to suit funding goals. Why is that problematic?
Illustration of a man in a suit and tie standing at a podium. His shadow, in read, appears to have devil horns.
Diagnosing the FDA's CBD problem
Dr. Rachel Knox, an African-American woman, stands smiling in front of a white background. She is wearing a grey cowl-neck sweater.
Project CBD speaks with Dr. Rachel Knox about "endocannabinology," THC/CBD synergies, and whole food nutrition.
A young red-haried woman holds the hand of an elderly woman in a wheelchair. The young woman is wearing tan scrubs and kneeling next to the wheelchair. They are both smiling and looking at each other.
Dying with dignity is a human right, and cannabis could help

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.
High dose? Low dose? CBD? THC? Optimizing one's therapeutic use of cannabis may take some experimentation.
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.

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
Las Vegas , Nevada , United States
Apr 21, 2020 to Apr 23, 2020