“According to a recently released study involving more than 11,000 teens who were tracked from the age of 9-10 until they were 16-17, "cannabis use [is] tied to slower gains in memory, focus and thinking speed, as well as worse memory over time during key years of brain development."”

“The study focuses on youth cannabis consumption because "Adolescence is a critical time for brain development," according to Natasha Wade, who is an assistant professor of psychiatry at UC San Diego School of Medicine and the lead author of the study.”

“What the UCSD scientists found in their study was evidence that in a wide swath of skills, including thinking speed, the ability to focus and memory, teens who got high displayed noticeably less growth over time versus their straight peers, with the advances made by the children consuming cannabis leveling off as opposed to their counterparts, whose abilities improved over time.”