Reducing Infant Mortality Leads to Increase in Neurodevelopmental Disorders

Would you believe that by reducing infant mortality we are increasing neurodevelopmental disorders?  I think we have all noticed that the two are correlated, but if the one causes the other, what would be the mechanism?

It could be the lack of genetic culling, but would you imagine that in a single generation that would lead to an epidemic of epic proportions? If not due to lack of culling, then wouldn't you suspect that the same environmental force that is saving babies from death is dooming them to disability?

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