Tiny, non-intoxicating doses of THC may help protect the body from the long-term side effects of HIV treatment.

“Pothead” could one day get a whole new meaning. A new study suggests low doses of THC, the main psychoactive ingredient in ...

The public debate on cannabis is dominated by a tone of normalization—less stigmatization, more freedom of choice. The ...

In recent years, research into cannabis and its main psychoactive ingredient, Δ⁹-tetrahydrocannabinol (THC), has unearthed ...

New research suggests THC’s cognitive drawbacks may be mitigated when combined with a targeted anti-inflammatory drug. Cannabis research has highlighted a scientific paradox. Its best-known ...

The two main compounds in cannabis are in a constant balancing act. This is an Inside Science story. (Inside Science) -- Many people who use cannabis do it for the euphoric effects caused by the main ...

Marijuana is made from the shredded and dried parts of the cannabis plant, including the flowers, seeds, leaves, and stems. It’s also known as pot, weed, hash, and dozens of other names. While many ...

Farmers in the U.S. have grown cannabis since the 1600s — but policymakers are still figuring out how to regulate two famous ...

(CNN) — Marijuana is notorious for slowing certain cognitive functions such as learning, memory and attention span (maybe that's why they call it "dope"?). But new research in young people suggests ...