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

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 ...

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

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

Researchers from University of California San Diego have found that teenagers who begin using cannabis show slower gains in thinking and memory skills as they grow. The study, published in ...

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

The hippocampus follows a "tabula plena" model, starting with dense, random connections that are pruned into an efficient ...