A New, Genetic Model for Schizophrenia

A new study points to rare gene duplications and deletions that are believed to play a significant role in the psychological disorder
By Nikhil Swaminathanin Scientific American

A new study indicates that the genetic culprits behind schizophrenia may be much less common than previously believed. Researchers report this week in Science that a rare but devastating change in one of several different genes may dramatically increase the risk of developing the debilitating brain disorder affecting 1 percent of the world’s population and marked by psychotic behavior, hallucinations and delusions. Until now, most scientists believed that it was likely that a cluster of relatively common genetic mutations was to blame.

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