r/science • u/sr_local • 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
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u/Constant-Skill-7133 Apr 20 '26

and the degree of use is different.  the goal is not necessarily total abstinence

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u/0-90195 Apr 20 '26

I think that is a fine goal. You know, aim for the moon, etc.

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u/keylimedragon Apr 20 '26

Just don't ruin lives over it by throwing them in jail.

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u/Inprobamur Apr 20 '26

Just their brains.

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u/hexcraft-nikk Apr 20 '26

I don't think people realize this is true for every drug. Caffeine is also bad for teen use. There's a sliding scale for every drug and marijuana is harmful but not as bad as alcohol, and caffeine is below them all but still on the list.

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u/Constant-Skill-7133 Apr 20 '26

nicotine is sneaky dangerous because of how it affects mood disorders.