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Furthermore, they said you’re more likely to have a heart attack around 10 p.m. on Christmas Eve.
The scientists also found a 20 percent increased risk on New Year’s Day and a 12 percent spike on Midsummer, a mid-June Swedish holiday.
There was no apparent link between heart attacks and New Year’s Eve, Easter and sporting events.
The authors suspect some holidays can bring on stress. Traveling, dealing with difficult relatives and preparing meals and activities can be challenging.
But despite their findings, they noted association does not equal causation.
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“Understanding what factors, activities, and emotions precede these myocardial infarctions and how they differ from myocardial infractions experienced on other days,” the team wrote, “could help develop a strategy to manage and reduce the number of these events.”