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I think the dosage is important. Ask someone in a psych ward in a hospital how often they get patients with psychosis from weed alone. Yes, there are more deadly drugs, but it is naive to believe there aren't any significant risks and repercussions.

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Seriously? This is first I hear of something like this. Any sources you can share on the subject?

Here is what I found through searching. [0] Another author did also warn against the assumption that increased THC smoking -> increased psychosis chance. [1] It needs to be studied more, but so far we have found some possible links.

[0] https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0...

[1] https://www.thelancet.com/journals/lanpsy/article/PIIS2215-0...

Weed well known to be linked to psychosis

Of course it only happens to some subset of users and the link is far from clear

https://www.npr.org/sections/health-shots/2019/03/19/7049482...

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