[jkereako]

> We do know that they can cause the contents of the brain to become permanently damaged.

We do? Which psychedelics? How do they permanently damage the contents of the brain?

[RamblingCTO]

I wouldn't agree with the notion of brain damage at all (sounds like propaganda) but what I can think of is HPPD: https://en.wikipedia.org/wiki/Hallucinogen_persisting_percep...