Severe autism cases remained flat over 20 years — even as milder diagnoses skyrocketed 1,800%, study finds

"Today, we have so many people being diagnosed with autism that wouldn't have been diagnosed 10, 15 years ago," the lead author said.

Severe autism cases remained flat over 20 years — even as milder diagnoses skyrocketed 1,800%, study finds

"Today, we have so many people being diagnosed with autism that wouldn't have been diagnosed 10, 15 years ago," the lead author said.