Melatonin is often seen as a safe, natural sleep aid—but what if long-term use carries hidden risks? A new preliminary study presented at the American Heart Association’s Scientific Sessions 2025 has raised eyebrows in the medical community. Researchers analyzed health records from over 130,000 adults with chronic insomnia and found that those who used melatonin for more than a year had a 90% higher risk of developing heart failure, were 3.5 times more likely to be hospitalized, and faced nearly
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Melatonin is often seen as a safe, natural sleep aid—but what if long-term use carries hidden risks? A new preliminary study presented at the American Heart Association’s Scientific Sessions 2025 has raised eyebrows in the medical community. Researchers analyzed health records from over 130,000 adults with chronic insomnia and found that those who used melatonin for more than a year had a 90% higher risk of developing heart failure, were 3.5 times more likely to be hospitalized, and faced nearly
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A study questions melatonin use and heart health but don't lose sleep over it
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A new study from the American Heart Association found that taking melatonin for long periods of time could be linked to underlying heart issues. There’s no evidence that melatonin supplements themselves cause heart problems, the researchers said, however, a need to take them on a regular basis to help with falling and staying asleep could be a signal that the body is experiencing cardiac issues. | NBC News
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