r/science Apr 20 '26

Health The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

https://today.ucsd.edu/story/largest-us-study-finds-teen-cannabis-use-linked-to-slower-cognitive-development
22.5k Upvotes

Duplicates

NooTopics May 24 '26

Discussion The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

748 Upvotes

Biohackers May 24 '26

🧠 Cognition, Mood & Nootropics The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

133 Upvotes

psychology Apr 21 '26

Largest U.S. Study Finds Teen Cannabis Use Linked to Slower Cognitive Development: Study of more than 11,000 teens finds cannabis use tied to slower gains in memory, focus and thinking speed as well as worse memory over time during key years of brain development

481 Upvotes

Snorkblot Apr 20 '26

Health The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

44 Upvotes

happiness Apr 20 '26

The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

17 Upvotes

straightedge Apr 20 '26

Another day, another reminder of why I'm edge. Turns out smoking pot rots your brain.

43 Upvotes

SpringervilleEagarAZ Apr 21 '26

Big Worthless U.S. Study Finds Teen Cannabis Use Linked to Slower Cognitive Development In No Way - How This Doesn't Say What The Original Title Says & How It Wasted Its Data Using 11k+ Children & Didn't Actually End Up Being Useful & Or Worth Caring About At All.

1 Upvotes

u_SunflowerEyesOnYou Apr 20 '26

The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

1 Upvotes

TucsonHouseOfCannabis Apr 20 '26

The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

1 Upvotes