Hitting prime heart attack season

Large study finds cold weather is an important trigger for acute MI

Heart attacks are more common in winter, with a large study of nearly one million people finding that cold weather is an important environmental trigger for acute myocardial infarction.

heart attack figure

Presenting their paper in Taipei this week, the Taiwanese authors say they found rates of MI fluctuate with the seasons, increasing dramatically when the temperature drops below 15 degrees Celsius.

Given this risk is predictable, health authorities should allocate more resources for treating MI during cold weather, they say.

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