Research Letter

Changes, COVID-19, and ADHD Diagnosis Rates in Individuals Younger Than 30 Years

JAMA Network Open 10.1001/jamanetworkopen.2026.5775

April 08, 2026 at 11:00 AM EDT

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This cohort study of youth in British Columbia examines changes in attention-deficit/hyperactivity disorder diagnosis rates following changes in (Fifth Edition) and the COVID-19 pandemic.

Corresponding Author: Zishan Cui, PhD, Department of Anesthesiology, Pharmacology zishan.cui@ubc.ca).

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