Why boys face higher autism risk

Girls appear to require more genetic changes than boys to develop autism

By Laura Sanders, 17:49 PM March 4, 2014

Roughly one in every 88 U.S. children will develop some form of autism. It’s a type of brain disorder. Boys and girls are not equally affected, however. Boys develop the brain disability at four times the rate seen in girls. A new study finds genetic clues that may explain this difference. Harmful changes in certain genes have been linked to the disorder. And boys appear to need far fewer of them to develop autism.


The gene changes are known as mutations. In some still mysterious way, females...

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