Could Melatonin Be Silently Harming Your Heart?

Melatonin's Hidden Heart Risk

Scientists have discovered a surprising connection between long-term melatonin use and heart failure in patients with chronic insomnia.

A recent study presented at the American Heart Association's Scientific Sessions 2025 found that taking melatonin for a year or more can increase the risk of heart failure, hospitalization, and death.

Marketed as nature’s sleep switch, melatonin has become a nightly habit for millions.

Author's summary: Melatonin may harm the heart in insomnia patients.

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Discover Magazine Discover Magazine — 2025-11-04

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