Is my heart attack risk really higher in the winter, or is it only if I shovel snow?
The exertion of showing snow can boost heart attack risks, but so can falling temperatures. One study found up to a 31 percent increase in heart attacks in the colder months. The risk for stroke can rise, too. That might be, in part, because cold weather can increase blood pressure by narrowing blood vessels. Cholesterol levels also tend to rise during the winter, and your blood may become thicker and more likely to form clots. So stay warm, dress in layers, and don’t forget to wear a hat and gloves when you’re outdoors.
Source: Consumer Reports on Health December 2016
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