Scientists have uncovered new evidence suggesting that autism may have it roots in how the human brain has evolved.

"Our results suggest that some of the same genetic changes that make the human brain unique also made humans more neurodiverse," said the study's lead author, Alexander L. Starr in a statement.

In the United States, around one in 31 children—about 3.2 percent—has been diagnosed with autism spectrum disorder, according to the Centers for Disease Control and Prevention ( CDC ).

Autism spectrum disorder is a complex developmental condition affecting roughly one in 100 children worldwide, according to The World Health Organization.

It involves persistent challenges with social communication, restricted interests and repetitive behavior.

Unlike other neurological conditions

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