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Long-term melatonin use has been linked to an increased risk of heart failure

The American Heart Association said it will present research from this preliminary study at the American Heart Association’s Scientific Sessions 2025

The study said using melatonin for a year may be linked to a 90% higher risk of heart failure, but experts question some of the study’s data

Melatonin may have negative impacts on the heart , new research says — but experts caution not to toss the popular sleep aid just yet.

Long-term melatonin use was linked to a higher risk of heart failure — and hospitalization or death from heart failure, according to a press release from the American Heart Association . The association cited research from a preliminary study that will be presented at the

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