Genetic Variant Carries Increased Risk Of Autism

Researchers have identified a common gene variant that more than doubles the risk of autism. The research, led by investigators at the Vanderbilt Kennedy Center for Research on Human Development, provides new insights into the genetic basis of the complex disorder.

“This is a relatively common variant, seen in about 47 percent of the population,” Levitt said. “So why doesn't everybody have autism?”

“Genes create a vulnerability that then gets coupled with some environmental disturbance - but right now, we don't have any idea what those factors might be.”
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