Shoveling Snow: A Hidden Risk for Heart Health

The saying “age is just a number” is often uplifting, especially when tackling things like penning a first novel later in life or marrying someone younger. But when it comes to shoveling snow—a common winter chore—the saying doesn’t quite hold up. A notable study from Canada reveals that the chances of a sudden heart attack spike by about 16% in men of a certain age during snowfalls, particularly during heavy storms. This can lead to a staggering 34% increase in death rates linked to this activity. Interestingly, this trend wasn’t found among women, likely due to men taking on more of the snow-clearing duties, especially during major storms.

Why Is Snow-Shoveling Dangerous?

First off, wet snow can be exceptionally heavy. In one study, the average shovel-full weighed around 16 pounds. Barry Franklin, Ph.D., a director at Beaumont Health and a representative for the American Heart Association, explains that if you’re lifting that weight 12 times a minute for several minutes, it adds up to the weight of a small vehicle—nearly 2,000 pounds! Research conducted by Franklin’s team indicates that a person’s heart rate can jump to 97% of its maximum just from the exertion of shoveling, even more than during a treadmill workout at full intensity.

Secondly, snowstorms usually occur in cold weather, and breathing in that chilly air can constrict blood vessels, hindering blood circulation. This increased constriction subsequently raises blood pressure, thereby making it even tougher for your heart to get the blood it needs.

But the unique dangers of snow-shoveling arise specifically from how we engage in this task. The American Heart Association has made efforts to raise awareness surrounding these risks, which include:

• Shoveling snow tends to involve static exertion, essentially requiring you to stand still while lifting heavy, wet snow. This can lead to sudden spikes in both heart rate and blood pressure.
• Lifting with your arms demands more from your heart than if you were to use your legs.
• The act of straining often makes us hold our breath, further elevating heart rate and blood pressure.
• Staying in one spot means that while your heart works hard, your legs are inactive, causing blood to pool in the lower body, making it harder for blood to return to the heart.
• Cold weather also causes arterial constriction, further limiting blood flow to the heart.

What Role Does Age Play?

According to Dr. Franklin, younger adults typically don’t face these issues because they haven’t yet developed coronary artery disease. However, those aged 45 and above—especially if they’re sedentary or have hidden heart issues—should be cautious. It’s worth recognizing that many individuals might not even know they have heart disease. Franklin points out that those over 50 who grew up with unhealthy eating habits likely have some level of heart disease, even if they show no symptoms. Other risk factors, like diabetes or high blood pressure, can also complicate matters, even in the absence of prior heart-related symptoms. Sometimes, the first sign of a problem can be severe, like cardiac arrest.

There are, without a doubt, fit individuals in their fifties and sixties who could handle the physical demands of shoveling. However, it’s challenging to pinpoint a specific age or gender threshold. Regular exercise, normal cholesterol levels, and not smoking can certainly lower risk, but a degree of risk will always remain, making predictions an imperfect science.

As for women, Dr. Franklin notes that confirming the same risks for them is difficult since most studies have focused on men, and fewer women engage in shoveling. Still, heart disease is a serious risk for women too, and there have been documented cases, even some tragic ones, following snow removal.

Safer Ways to Clear Snow

So, how can you safely manage the snow?

• Hire help: Especially for older adults, it’s advisable to let someone else handle the shoveling.
• Push instead of lift: Push snow away from steps, which reduces strain.
• Be wary of wind chill: Dress warmly in layers to combat the cold.
• Avoid heavy meals and alcohol: Stay clear of these before and after shoveling.
• Take breaks: Rest periodically to manage your heart rate and blood pressure.
• Consider using an electric snow blower: While still risky, it requires movement and can be somewhat safer.
• Pay attention to any symptoms: Don’t ignore any discomfort; if symptoms arise, seek immediate help.

Keeping these tips in mind can help you stay safe during winter’s snowy challenges.