Beware of "holiday heart syndrome"

Overdrinking may cause your heart rhythm to go haywire.

As the holidays approach, it may be tempting to throw caution to the wind and overindulge. But here's something you may not know: increased alcohol consumption can trigger the heart rhythm disorder known as atrial fibrillation (or afib). This condition, aptly named "holiday heart syndrome," can occur in certain people with or without a prior history of afib when they simply have had too much to drink.

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