[solitus]

Can you provide sources for "moderate THC in teenagers makes them permanently less intelligent".

This study implies that it's not really true: https://www.pnas.org/doi/10.1073/pnas.1516648113#sec-5

[xbar]

This one comes to the top:

https://www.pnas.org/doi/abs/10.1073/pnas.1206820109