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.

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

Youth cannabis use between ages 9 and 17 years is associated with slower cognitive development during a time of key brain development.

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 ...

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 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 ...

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 ...

Teen cannabis use linked to slower gains in memory and focus - The brain is only about 80% developed in adolescence ...