Research studying the effects of cannabis on the brain has often focused on adolescents, but a new study from CU Anschutz researchers looks at population-level impacts of cannabis usage on the brain ...

New research reveals marijuana users face 29% higher heart attack risk and doubled cardiovascular death chances, plus brain ...

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 ...

Is marijuana getting too high on its own promises? New research published Monday adds to the evidence that medical cannabis benefits for chronic pain are often overstated. The scientific review comes ...

Mayor of London Sadiq Khan has called for the partial decriminalisation of cannabis, following an independent report. (Getty Images) Sadiq Khan has called for the partial decriminalisation of cannabis ...

They are good for your mental health and most occasionally remember them, here is how marijuana effects dreams. Dreaming is a universal human experience involving a state of consciousness during sleep ...

Teenagers who use marijuana are increasing their risk of depression and suicidal thoughts in adulthood, new research suggests. Legal marijuana: how the American system works When was cannabis banned ...

Medical marijuana could soon be reclassified into a medical category that includes prescription drugs like Tylenol with ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

In December 2025, the Trump administration accelerated the process of reclassifying marijuana from Schedule I to Schedule III ...