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FAQ: Heart Health Risks During Arctic Cold and Snow Shoveling
TL;DR
The American Heart Association warns that shoveling snow in extreme cold can give you a dangerous heart advantage by increasing heart attack risk during this Arctic blast.
Snow shoveling strains the heart through arm exertion, breath-holding, and cold-induced vessel constriction, raising blood pressure and heart rate according to scientific research.
This warning from the American Heart Association helps protect vulnerable people during extreme weather, making communities safer by preventing heart-related emergencies through awareness.
Shoveling snow in extreme cold is like a treadmill stress test for your heart, with the cold air constricting blood vessels and spiking pressure.
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The main health risk is an increased chance of heart attack or sudden cardiac arrest due to the physical exertion of shoveling snow combined with extreme cold temperatures.
Shoveling is primarily arm work, which strains the heart more than leg work; lifting heavy loads can cause breath-holding, spiking heart rate and blood pressure; and cold air constricts blood vessels, raising blood pressure and tightening coronary arteries.
People with cardiovascular concerns like a sedentary lifestyle, obesity, smoking history, diabetes, high cholesterol, high blood pressure, or prior heart conditions are at greater risk, as are those not used to regular exercise.
The Arctic blast is expected to hit later this week (around December 2025) and will affect communities from the Great Plains to the Great Lakes in the U.S.
If you have heart disease or risk factors, have someone else remove snow; if you must shovel, start gradually, cover your mouth/nose, wear layered clothing, and push snow instead of lifting it; be extra careful in windy conditions; and consider using an automated snow blower.
Cold air constricts blood vessels throughout the body, which raises blood pressure and tightens coronary arteries, forcing the heart to work harder.
They should talk to their doctor about any limitations on winter activities based on their heart health to ensure safety.
Wind makes the temperature feel even colder than it is and increases the effects of cold on your body, amplifying cardiovascular strain.
Their 2020 scientific statement notes snow shoveling among physical activities that may place extra stress on the heart, and numerous studies have identified dangers for people with and without known heart disease.
Curated from NewMediaWire
