@CNN: Marijuana is notorious for slowing certain cognitive functions such as learning, memory and attention span. But new research in adolescents and young adults suggests the negative effects disappear after about 72 hours. https://t.co/fYOxvKNIq4 https://t.co/4WL7SRK3pH
Marijuana is notorious for slowing certain cognitive functions such as learning, memory and attention span. But new research in adolescents and young adults suggests the negative effects disappear after about 72 hours. https://t.co/fYOxvKNIq4 pic.twitter.com/4WL7SRK3pH
— CNN (@CNN) April 18, 2018