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by wu-ikkyu 3271 days ago
Do you have a source for these claims? Because the DSM-5 says otherwise

>Diagnosis is based on observed behavior, the person's reported experiences, and reports of others familiar with the person...As of 2013 there is no objective test. [5]

https://en.m.wikipedia.org/wiki/Schizophrenia

Edit: the source you edited in simply states the corollary to what I've been saying all along: that scientists are still searching for a biological test for mental illness but as yet still do not have one