https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2024.1280253/full

“individuals of recent African or Afro-Caribbean descent are more susceptible to experiencing psychosis … Black and Hispanic participants in this study had lower overall rates of mental illness.”

I came across this in a “Harper’s Index” pop-sci thing and didn’t believe it. Turns out this is a consistent worldwide finding, prev of schizophrenia diagnosis 2 to 4 times! higher. Likely a mix of cultural norms, some substance effects, and how people label their own mental states. There is keen interest in environmental stress effects. (I suspect white/asian are better able to deny/ignore delusional states.)