Teen cannabis use is linked to slower cognitive growth, especially memory, with THC as a likely contributor during key ...

The largest study of adolescent brain development ever conducted in the United States has produced a finding that parents in ...

Though some say weed can improve mood and energy, there are negative effects on cognitive skills — especially in younger ...

Researchers find marijuana use in teens tied to slower gains in memory, focus, and thinking skills.

Adolescents who will eventually experiment with marijuana score higher on behaviors of intelligence. Teens who were exposed ...

Marijuana use among teenagers is entering a new phase—one shaped not only by changing laws but also by shifting perceptions of risk. As legalization expands across the United States, researchers and ...

A systematic review reveals adolescent cannabis use alters brain structure, elevates addiction risk, and impacts cognitive ...

Adolescent cannabis users show slower gains in thinking and memory skills as they age. The study published in ...

Many teenagers underestimate the risks associated with cannabis. A long-term study involving nine- and ten-year-old children who later became cannabis users now shows: Cannabis acts as a ...

A study of more than 11,000 teens finds cannabis use tied to slower gains in memory, focus and thinking speed as well as ...

It’s 4/20 - but U.S. teens should avoid cannabis unless they want to stunt their brain development, according to a new study ...