Researchers at MIT and the University of Massachusetts have identified two more factors which may contribute to autism.
They've known for some time that severe infections that put a mother into the hospital raise the autism risk.
Now, in mice, the researchers found that the types of bacteria in a mother's intestinal tract influences whether the infection leads to autism.
They've also discovered the brain changes which lead to autism.
----------
Send a breaking news alert
Report a correction or typo
Learn more about the 6abc apps