@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/BMePiwXJWH https://t.co/PU5Ri8AEuG
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/BMePiwXJWH pic.twitter.com/PU5Ri8AEuG
— CNN (@CNN) April 21, 2018