People who are blind from birth never develop schizophrenia (opens in new tab)

People who are blind from birth never develop schizophrenia – what this tells us about the psychiatric condition. The pattern holds across more than 70 years of evidence: not a single congenitally blind person with schizophrenia has ever been reported. The protection seems to be specific to cortical blindness, which is caused by damage to the brain's visual cortex. People who lose their sight later in life, or whose blindness is caused by damage to the eyes rather than the brain, can still de...