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Heart Health
Avoiding winter heart attacks
Minimize risks with simple solutions such as preventing overexertion and preparing for cold temperatures.
Image: Bigstock
As temperatures start to fall, your risk of a heart attack begins to climb. "Cold weather sometimes creates a perfect storm of risk factors for cardiovascular problems," says Dr. Randall Zusman, a cardiologist with Harvard-affiliated Massachusetts General Hospital.
Many of these risks stem from what Dr. Zusman calls a "mismatch between supply and demand." Cold weather can decrease the supply of oxygen-rich blood to your heart muscle. And it can put you in situations that force your heart to work harder; as a result, your heart demands more oxygen-rich blood. Such a mismatch-a smaller supply of oxygen to the heart coupled with a greater demand for oxygen by the heart-sets you up for a heart attack.
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