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All they proved is that murdering all people (that they could find) with schizophrenia doesn't lower the incidence rate of schizophrenia. This paper https://www

• Nasrudith 8y ago
  Interesting that sufficient complexity may also work as a reason. I would have expected some deceease in a genetic context but I suppose sickle cell anemia is another example with simpler structuring given it is partially adaptive and partially maladaptive given one means malaria resistant blood and two means concave red cells bad at their job. Even if malaria vanished a thousand years ago the trait would probably stick around today. Thanks for the link and furthering my understanding. I wonder how common "summed" traits are where a few to some are good to have while too many or too few is a bad thing. I heard of one computer example which by no means biologically proves anything apparently too high a learning rate caused some neural networks to start making increasingly bizzare associations and caused the convergence rate to plummet instead of improving past a certain point as spurious correlations resulted in incoherence. The schizophrenia thought disorder resemblance was explicitly noted.
• barking 8y ago
  Also people with schizophrenia very probably have fewer children than average. So if it has a genetic component, it would be mainly their 'carrier' siblings who would pass on the trait to later generations.