Autism rates rose again. Experts explain why

Autism is more common than ever before, a new report suggests.

As of 2022, about 1 in 31 children in the United States were diagnosed with autism by the time they were 8 years old, researchers reported online April 15 in the Centers for Disease Control and Prevention’s Morbidity and Mortality Weekly Report. Previous studies had put the number at 1 in 36 in 2020 and 1 in 150 in 2000. 

Many researchers view the report as a better reflection of the true rate of autism and an…