Season of birth and schizophrenia: Sex difference

  title={Season of birth and schizophrenia: Sex difference},
  author={Daniel Dassa and Jean Michel Azorin and V. Ledoray and Roland Sambuc and S{\'e}bastien Giudicelli},
  journal={Progress in Neuro-Psychopharmacology and Biological Psychiatry},
1. A statistically significant increased risk of schizophrenia for individuals born in winter has been reported. The increase risk is of the order of 5-15 percent. The seasonal effect is more marked among females. This winter birth effect suggests some environmental agents, probably a neuropathogen one, acting on the foetus. 2. The present study sought to test the environmental damage hypothesis by application of the family history of psychiatric disorder distinction to season of birth data… CONTINUE READING