Take the proper precautions to protect yourself

We know to guard our skin against frostbite by covering up when we go outside in sub-freezing temperatures.

But extreme cold also can impact vital organs, such as the heart and lungs. For example, cold can make your heart beat faster, which makes your blood pressure go up, says interventional cardiologist Leslie Cho, MD.

“It’s really how the body reacts to the cold,” Dr. Cho says. “The body’s first reaction is to try to keep warm. So blood vessels constrict to keep in the heat. The heart also beats faster, which can increase blood pressure. All of that can have an impact on the heart.”

Tvanbr [Public domain], from Wikimedia Commons

Hypothermia and the heart

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