How Cold Weather Can Affect Your Blood Vessels

Some reactions are serious; others are merely uncomfortable.

People with cardiovascular disease or related conditions, such as diabetes and high blood pressure, are at increased risk of complications from cold weather. Exposure to cold causes blood vessels throughout the body to constrict. If the heart’s arteries are already narrowed by plaque, any activity that increases the body’s demand for oxygen—snow shoveling, for example—can […]
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