But research points to a growing concern around how cannabis affects the developing teenage brain in ways that may have ...

The teenager's brain has a lot of developing to do: It must transform from the brain of a child into the brain of an adult. Some researchers worry how marijuana might affect that crucial process.

In my previous post, I promised this post would describe the minority of users whose lives are taken over by cannabis. Although less common, given how many people begin using cannabis during ...

It’s 4/20 - but U.S. teens should avoid cannabis unless they want to stunt their brain development, according to a new study from California researchers. Teenagers who use cannabis in any way have a ...

New research from UC San Diego sheds light on how cannabis affects youth and their ability to maintain attention, react and retain information.

Adolescent cannabis users show slower gains in thinking and memory skills as they age. The study published in Neuropsychopharmacology suggested that the teen years are a critical time for brain ...

Teen use of marijuana has jumped significantly in recent decades — by 245% since 2000, with over 30% of U.S. high school seniors reporting they’d used the drug in the past year and 6.3% reporting they ...

Officials say the monks concealed 242 pounds of high-grade kush inside false-bottom suitcases while traveling through Sri Lanka’s main airport.

A major U.S. study has found that regular marijuana use during adolescence is linked to slower development in memory, attention, language and processing speed. Researchers say tetrahydrocannabinol ...