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

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

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

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

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

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

Teenagers who begin using cannabis may experience slower development in key thinking and memory skills, according to ...

A UC San Diego study looked at marijuana use and cognitive development in more than 11,000 teenagers over the course of several years.

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