Boys are at higher risk of autism than girls

ASD is more common in boys than girls, according to a recent study.

Scientists say they have discovered the difference in a brain signaling pathway that makes boys more autistic than girls.

"A particularly interesting aspect is the imbalance of autism, which affects boys more than girls with a 4: 1 ratio," said Ted Abel from the University of Iowa in the US. said in a statement.

Abel said: " We do not understand what this disorder is that makes boys more autistic ."

This bias may also occur in other neurodevelopmental disorders, such as hyperactivity disorder (ADHD) and specific language disorders.

Nearly 1 in 200 autism cases is caused by the deletion of a piece of DNA on a particular chromosome in the body and this type of disorder is also known as a copy number variant (CNV).

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