Why did Valdo Calocane become psychotic? Perhaps because he had to move to a mainly white area…

An interesting excuse has been advanced for the man who killed three people in Nottingham. It was living in a white neighbourhood which triggered his descent into madness… Curtis, David (2018) Polygenic risk score for schizophrenia is more strongly associated with ancestry than with schizophrenia, Psychiatric Genetics: October 2018 - Volume 28 - Issue 5 - p 85-89. Pinto, Rebecca: Ashworth, Mark: Jones, Roger (2008) Schizophrenia in black Caribbeans living in the UK: an exploration of underlying causes of the high incidence rate, British Journal of General Practice, 2008 Jun 1; 58(551): 429–434.