As cannabis replaces alcohol, normalization is outpacing medical awareness. What rising THC use means for teens, mental health and clinical risk.

Research apparently shows the effect is different on people over 40.

Research studying the effects of cannabis on the brain has often focused on adolescents, but a new study from CU Anschutz ...

The California Department of Cannabis Control gave UCLA four grants in January totaling $7.3 million for cannabis research.

The public debate on cannabis is dominated by a tone of normalization—less stigmatization, more freedom of choice. The promise of a "natural" alternative to medicines. Meanwhile, science, although ...

ADHD is common and is progressively being recognized as a disorder affecting people across the lifespan. ADHD is associated with multiple negative personal outcomes, including lower education, ...

Forbes contributors publish independent expert analyses and insights. Emily Earlenbaugh covers cannabis science and culture. As cannabis legalization continues to increase globally, researchers are ...

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 ...

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

A study examined the cannabis compound tetrahydrocannabivarin (THCV) and found that it can potentially increase motivation and energy. The clinical study indicated that THCV produces these effects ...

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 ...