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Long-Term Melatonin Use Linked to Nearly Double Heart Failure Risk, Study Findswww.theepochtimes.com/health/long-term-melatonin-use-linked-to-nearly-double-heart-failure-risk-study-finds-5940621?utm_source=partner&utm_campaign=ZeroHedge&src_src=partner&src_cmp=ZeroHedge
432 sats \ 5 comments \ @billytheked 7 Nov 2025 HealthAndFitness
Adults with chronic insomnia who used melatonin for a year or longer faced a 90 percent higher risk of developing heart failure within five years compared to non-users.
The preliminary analysis, presented Monday at the American Heart Association’s Scientific Sessions 2025, tracked more than 130,000 adults diagnosed with insomnia. Among those who took melatonin for more than a year, 4.6 percent developed heart failure, compared with 2.7 percent of nonusers.
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91 sats \ 0 replies \ @Scoresby 7 Nov 2025

basically, there's no free lunch. You gotta be so careful when taking any quantity of refined substances.

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40 sats \ 0 replies \ @brent 7 Nov 2025

Co-relation does not equal causation. This is an observational study, it does not show that melatonin causes heart failure.

FTA:

“This doesn’t prove that melatonin directly causes heart failure,” said Nnadi, noting that the study was observational. People who take melatonin every night may simply have more severe insomnia, which itself could raise heart risks.

Note also that the melatonin users in the study were prescribed melatonin, which probably means it was a much higher dose than what over-the-counter users take, often 1-3mg. But those details weren't mentioned in this article.

And this:

The research could only track prescribed melatonin, since some over-the-counter use isn’t recorded in medical records. That means some people counted as “nonusers” may have taken melatonin without telling their doctors.
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5 sats \ 0 replies \ @nichro 7 Nov 2025

For what it's worth, I think OTC dosage (1mg 3mg sometimes 5mg) is way too strong.

Break a tablet in half or quarter. 0.1mg to 0.5mg still works, often just as well as 1-3mg. Pretty sure there were studies to back this up.

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0 sats \ 0 replies \ @j7hB75 7 Nov 2025

What about with kids?

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0 sats \ 0 replies \ @BlokchainB 7 Nov 2025

Wow glad I never went down this path of taking melatonin

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