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This review doesn't say all that much. I just took another look at it and it merely reports what % of the studies mention those effects without effect sizes or anything of the sort.

Also they clump psychotomimetic and dissociation effects together which is really weird as ketamine is a dissociative. It's literally the highest number in their analysis (72%) because dissociation is to be expected from a dissociative.

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The point with referring to a review article/meta is that you are free to look at the references themselves. Adverse effects secondary to dissociation can obviously be troublesome for some using in a professional clinical setting, which is what this is about..

Anyway, in medicine statements of the form “x never happens unless y” or it “only” happens in certain circumstance are always wrong. The data is not perfect but your implication that only schizophrenics experience adverse effects is not only an idiotic statement on its face you can easily find case reports refuting it.

I didn't say it never happens. Everything is correlated but if the risk is extremely small, as I believe it is here for non-shizophrenics then I don't consider it a concern. And others definitely experience dissociation for example, that's not something I am questioning.

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