Autism is spiking in young adults, study finds

"Autism spectrum disorder spiked 175% among people in the U.S. from 2.3 per 1,000 in 2011 to 6.3 per 1,000 in 2022, researchers found. Diagnosis rates climbed at a faster rate among adults in their mid-20s to mid-30s in that period, according to a study published Wednesday in JAMA Network Open."