A new American Heart Association report has people asking whether melatonin—the popular sleep aid—could pose heart health risks with long-term use. "ChicagoLIVE" speaks with Dr. Tochukwu M. Okwuosa of Rush University Medical Center, who explains what the study actually shows, why it’s too early to link melatonin directly to heart disease, and what patients should know before using sleep supplements.

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