Genes almost wholly responsible for autism, study finds

March 5, 2015 5:07 PM

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Genes almost wholly responsible for autism, study finds

In somewhere between 74 percent and 98 percent of autism spectrum disorder cases, genes are to blame. So say researchers out of King's College London in the journal JAMA Psychiatry after studying both identical and fraternal twins.

In fact, hundreds of genes could contribute to the development of autism, although because genes interact with the environment, that doesn't totally preclude the possibility that environmental factors are at play as well.

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