Invited Commentary

Precision Weight Loss Requires More Than Behavior Change

JAMA Network Open 10.1001/jamanetworkopen.2026.1879

March 27, 2026 at 11:00 AM EDT

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Corresponding Author: Russell J. de Souza, Department of Health Research Methods, Evidence, and Impact, Mary Heersink School of Global Health and Social Medicine, McMaster University, MDCL Room 3500/E, 1280 Main St W, Hamilton, ON L8S 4K1, Canada (desouzrj@mcmaster.ca).

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