Original Investigation

Designing Social Media Health Warnings for Teenagers and Young Adults

JAMA Health Forum 10.1001/jamahealthforum.2026.3014

September 04, 2026 at 11:00 AM EDT

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These findings of this randomized clinical trial suggest that requiring warnings on social media platforms could increase awareness of the harms of social media and discourage teenagers and young adults from wanting to use social media.

Corresponding Author: Anna H. Grummon, PhD, Department of Pediatrics, Stanford University School of Medicine, 3145 Porter Dr, A103, Palo Alto, CA 94304 (agrummon@stanford.edu).

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