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.

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 ...

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

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

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

Previous research has found that the human brain reaches maturity sometime in the 20s, but a new study suggests that it never stops developing. Neuroscientists at the University of Cambridge have ...