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What to do if you, or someone around you, might be having a heart attack
The Washington Post • • general
Key Points:
- In the United States, a heart attack occurs every 40 seconds, according to the Centers for Disease Control and Prevention.
- Although heart attack fatalities have decreased, cold weather poses additional risks to heart health by straining the cardiovascular system.
- Cold temperatures cause blood vessels to constrict, raising blood pressure and increasing blood thickness, which can lead to clotting.
- Physical exertion, such as shoveling snow, further elevates the demand on the heart during cold weather.
