10/30/2014 03:43 pm ET Updated Nov 05, 2014

Scientists Implicate More Than 100 Genes In Causing Autism

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The hunt to find genes that cause autism has been a long slog, one hampered by a lack of technology and families willing to be tested.

But the effort is starting to pay off. On Tuesday, researchers at more than 50 laboratories said they had identified more than 100 genes that are mutated in children with autism, dozens more than were known before.

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