Is schizophrenia genetic? Genes, environment and family risk
Schizophrenia runs in families, but no single gene causes it. Twin studies, the 287 DNA regions linked to it, and the role of the early-life environment.
Origins
No single cause of schizophrenia is known. What research shows about genes, the brain and the world around us.
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Explainer
Beyond dopamine: glutamate, inflammation and other theories
Dopamine accounts for much of psychosis, but not for all of schizophrenia. Four other theories try to explain the rest.
