Contra Skolnick On Schizophrenia Microbes

Stephen Skolnick is a gut microbiome expert blogging at Eat Shit And Prosper. His most recent post argues that contra the psychiatric consensus, schizophrenia isn't genetic at all - it's caused by a gut microbe. He argues: Scientists think schizophrenia is genetic because it obviously runs in families But the twin concordance rates are pretty low - if your identical twin has schizophrenia, there's only about a 30%-40% chance that you get it too. Is that really what we would expect from a genetic disease? Also, scientists have looked for schizophrenia genes, and can only find about 1-2% as many as they were expecting. So maybe we should ask how a disease can run in families without being genetic. Gut microbiota provide an answer: most people "catch" their gut microbiome from their parents. Studies find that schizophrenics have very high levels of a gut bacterium called Ruminococcus gnavus. This bacterium secretes psychoactive chemicals. Constant exposure to these chemicals might be the cause of schizophrenia. I disagree with all of this. Going in order: https://www.astralcodexten.com/p/contra-skolnick-on-schizophrenia

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