cognitive growth News

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• Comprehensive UCSD Study Links Adolescent Cannabis Use to Stunted Cognitive Growth and Memory Retention Gains

  Published: Apr 20, 2026

  Section: Mental Health

  A massive long-term study of over 11,000 American teenagers has identified a significant correlation between cannabis use and slowed development of memory and processing speed. Res...

• UC San Diego study finds teen cannabis initiation linked to restricted memory and cognitive growth

  Published: Apr 20, 2026

  Section: Health

  A longitudinal study of more than 11,000 adolescents reveals that those who begin using cannabis show significantly slower gains in thinking and memory skills compared to their pee...

• Harvard Longitudinal Study Reveals COVID-19 Pandemic Significantly Disrupted Executive Function Development in Young Children

  Published: Mar 24, 2026

  Section: Health

  A multi-year study of over 3,100 children in Massachusetts found that the pandemic slowed the growth of essential cognitive skills, including attention and self-control, across all...