Viewpoint

Autism Overdiagnosis and Its Harmful Effects

JAMA Pediatrics 10.1001/jamapediatrics.2026.0400

April 13, 2026 at 11:00 AM EDT

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This Viewpoint describes the extent and mechanisms of overdiagnosis in autism and reviews its harmful implications.

Corresponding Author: Lester Liao, MD, MTS, Department of Pediatrics, Montreal Children’s Hospital, 1001 Bd Décarie, Montreal, QC H4A 3J1, Canada (lester.liao@mcgill.ca).

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