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Coffee & Health
Cardiovascular health

Coffee and atrial fibrillation

Research has not demonstrated an association between coffee consumption and risk of atrial fibrillation, and some studies have suggested that coffee consumption may have a protective effect

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Cardiovascular health
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Effects of coffee consumption
  • A 2021 meta-analysis concluded that caffeine consumption is unlikely to be related to the incidence or the risk of developing new onset atrial fibrillation, and may offer a protective effect. Furthermore, to date any mechanisms for protective or causative effects of caffeine remain speculative27
  • A further 2022 study, using UK Biobank data, concluded that a U-shaped relationship was observed between coffee intake and incident arrhythmia, suggesting that the lowest risk was observed at 2-3 cups per day10

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