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The Case of the Missing THC

Many CBD products contain no tetrahydrocannabinol. Where is all the THC going after it's extracted from hemp?

Cannabis Botany & Breeding with Ryan Lee

Expert cannabis botanist and geneticist Ryan Lee talks to Project CBD about breeding cannabis, THC & CBD content, and how to interpret lab data.
Illustration of a forest of mushrooms at night. The mushrooms are dark blue and in shadow, and dim light illuminates the background to a dark aqua.

Spirit Molecules

Humans love finding ways to alter their consciousness, and psychedelic plants have long provided a way to do so. Why do these plants produce intoxicating compounds?

The Power Couple of Cannabis Therapeutics

CBD works best with THC!

CBD & Booze: Bingeing on Research

What's the right dose of CBD when you take it orally? It's a simple question with a muddled answer.
A flat of hemp starts on the back of a red flat-bed truck after hemp legalization in 2018.

Tough Times After High Hopes for Hemp Harvest

It's been a year since Congress legalized growing hemp. How's it going?
Toy VW bus on street

Hit & Run: Impaired Science

A flawed study by Harvard scientists claims that marijuana impairs driving even when users aren't high.
Overhead photograph of a glass of beer on an aqua and yellow background with a cannabis leaf floating on the surface of the beer.

Cannabis & Binge Drinking

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.

Cannabinoids for Cannabis Use Disorder?

Scientists often interpret research to suit funding goals. Why is that problematic?
Brick wall

Desperately Seeking Harm: Diagnosing the FDA's CBD Problem

The FDA has got a bad case of CBD – as in Chronic Bureaucratic Dysfunction. This affliction has been evident for some time, but the symptoms are getting worse.

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News & Reports

25 years of groundbreaking research — an annotated history.

Top Conditions

In compiling a list of conditions that CBD may help, we examined hundreds of peer-reviewed articles in scientific journals.

Cannabis Conversations

Project CBD talks with Dr. Bonni Goldstein about whole plant cannabis remedies, nonintoxicating cannabinoids, and cancer care for children.
Expert cannabis botanist and geneticist Ryan Lee talks to Project CBD about breeding cannabis, THC & CBD content, and how to interpret lab data.
Project CBD speaks with Dr. Rachel Knox about "endocannabinology," THC/CBD synergies, and whole food nutrition.

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