A rat looks out of a hear-shaped hole in a pink background.
A recent article from Uruguayan scientists examined how cannabis affects sexual behavior in female rats. Similar to surveys and anecdotal reports of humans, the researchers found that a low dose of cannabis increased some mating behaviors, a high dose reduced them, and any dose increased... Read more

Featured Articles

New research sheds light on a mysterious illness
A close up of cannabis buds sitting on top of a Union Jack.
A year after cannabis rescheduling UK patients are still struggling with access
A small rat perches on top of a bouqet of daisies on a wooden table.
And did cannabidiol really kill four-and-a-half mice?
A flat lay of grapefruits cut in half interspersed with condoms on a bright orange background.
What do we actually know about the relationship between cannabis and sex?
Pregnant woman of color in a black sports bra and boyshorts holding hands on her belly making a heart symbol.
A new diagnostic technique could help at-risk women

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
Santa Rosa , California , United States
Dec 14, 2019 to Dec 15, 2019
Las Vegas , Nevada , United States
Apr 21, 2020 to Apr 23, 2020