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Dosing THCA: Less is more

THCA cannabinoid moleculeDiscover the clinical & laboratory research on THCA for epilepsy, chronic pain & more.



Who Is She? Cannabis in Cultural & Individual Experience

cannabis and spiritualityKathleen Harrison discusses the historical uses of the cannabis plant across the globe.



Mitochondria and cannabinoid receptors
Scientific data indicates that CBD & THC can affect mitochondria, the energy adaptors that power every multicellular organism. How do cannabinoids influence cellular function?
spices for endocannabinoid system
The health benefits of many common kitchen spices are mediated by the same cannabinoid receptors in the brain and body that cannabis activates.
Cannabis & Opiates
Dr. Dustin Sulak on a neglected treatment option for opioid addiction: medical marijuana.
CBD User's Manual: A Beginner's Guide to Cannabis Therapeutics
Project CBD has created a beginner’s guide for cannabidiol & cannabis therapeutics to address key questions of CBD users.
cb1 receptor cbd non-psychoactive
New data shows that CBD interacts directly with the CB1 cannabinoid receptor in therapeutically relevant ways while modulating THC's psychoactive effects.
companion planting with cannabis
Companion planting, a method of cultivation where plants are grown together to promote a flourishing ecosystem, offers many benefits for cannabis farmers.
cbd oil legal
Huge interest in the medicinal potential of CBD has catalyzed a rebirth of industrial hemp in the U.S. But is hemp the best source of CBD?
Dr. Bonnie Goldstein speaking on cannabis and epilepsy
Bonni Goldstein, MD, author of Cannabis Revealed, discusses using cannabis medicine in her practice for patients with intractable epilepsy, cancer, autism, and mental health conditions.
cbd drug interactions
At sufficient dosages, CBD will temporarily deactivate cytochrome P450 enzymes, thereby altering how we metabolize a wide range of compounds.
cbd vape oil
Project CBD science advisor Jahan Marcu, PhD, reports on the hidden dangers of propylene glycol and vape pens that smolder.
Whole plant cannabis versus CBD isolates
A groundbreaking study has documented the superior therapeutic properties of whole plant CBD-rich cannabis extract as compared to single-molecule CBD.
Cannabis misconceptions, marijuana misinformation
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.

Medical Marijuana | Cannabinoid Science

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Find dispensaries near you

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Smoke Signals: Social History of Marijuana — Medical, Recreational and Scientific

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

Talks & Events

Martin A Lee, Project CBD

Upcoming Events


Australian Cannabis Hemp Expo
May 27-28, 2017
Sydney, Australia
Enchanted Forest
June 10, 2017
Laytonville, CA
More information
27th Annual ICRS Symposium on the Cannabinoids
June 22-27, 2017
Montreal, Quebec, Canada
Breaking Convention
June 30-July 2, 2017
London, England
Cannabis Country Fair
July 21-23, 2017
Laytonville, CA
Ticket info
Seattle Hempfest 2017
August 18-20, 2017
Seattle, WA
International Association for Cannabinoid Medicine Conference 2017
September 29-30, 2017
Cologne, Germany

Seminar & Workshop Topics

Contact Project CBD about scheduling a lecture, seminar and/or workshop on topics like:

  • CBD: Game-Changer for Medical Marijuana
    An exploration of the science and politics of CBD, the noneuphoric cannabis component that has changed the national discussion about medical marijuana and industrial hemp in the United States.
  • CBD Master Class for Bud-Tenders and Patient Counsellors
    A workshop on cannabis therapeutics for dispensary staff, focusing on how best to guide and assist patients and caregivers regarding CBD-rich options and products.
  • Beyond CBD: Cannabis Therapeutics and Holistic Healing
    An examination of how numerous holistic healing modalities, including diet, exercise, sleep and stress reduction techniques, are mediated by the endocannabinoid system.
  • Medical Marijuana for Seniors
    Seniors, the fastest growing demographic among medical marijuana patients, are discovering that cannabis is helpful for treating degenerative, age-related conditions -- Alzheimer’s, chronic pain, heart disease, diabetes, sleep disorders, stroke, and more. Scientific research validates anecdotal reports that cannabis can do wonders for the aging brain.
  • The Spirit of Cannabis
    A mythopoetic and scientific inquiry into the healing properties of cannabis and the principles of cannabis therapeutics.
  • Cannabis and Epilepsy
    Marijuana has a rich history as a medicine for quelling seizures and convulsions going back hundreds of years. In the mid-19th century, the U.S. Pharmacopeia listed cannabis as a treatment for pediatric epilepsy, and subsequent scientific studies have documented the anticonvulsant effects of CBD, THC, and whole plant cannabis.
  • Smoke Signals: A Cannabis History Primer—From Prohibition to Legalization
    A discussion of why the U.S. government banned “the evil weed” during the Great Depression and how a decades-old grassroots countercultural movement for marijuana legalization evolved into today’s widespread populist revolt against conventional medicine and extra-constitutional authority.






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