7 ways to protect your heart during the winter months

by Adrienne Erin

Don’t Let the Cold Freeze Your Heart Health

Winter is supposed to be the most wonderful time of the year. But while we celebrate holidays and cozy up by the fire, your heart may face some of its greatest challenges. Did you know that heart attacks, arrhythmias (like AFib), and other cardiovascular issues spike in the colder months? In fact, studies show more Americans suffer heart attacks during winter than any other season. But don’t worry—you have the power to beat these odds with just a few smart, heart-friendly habits.

This article will walk you through the reasons behind winter’s impact on your heart and share seven practical steps you can take right away to keep your heart healthy all season long.

Key Takeaways:

  • Cardiovascular risk increases markedly in winter due to cold, less sunlight, and lifestyle shifts.
  • Heart attacks, strokes, and arrhythmias peak over the holidays—especially Christmas and New Year’s.
  • Diet, exercise, stress management, and sunlight are essential to support heart health during the colder months.

1. Understand Why Your Heart Is at Greater Risk in Winter

Colder weather makes your blood vessels constrict and sends more blood to protect your core organs, but it also puts extra strain on your heart. The heart must pump harder against narrowed blood vessels, which can raise blood pressure and heart rate. Research has shown blood can also become thicker, increasing the risk of dangerous clots [1], [2].

Your risks are even higher if you have underlying conditions like high blood pressure, arrhythmias, or heart disease. Knowing this is the first step to staying safe!

2. Maintain a Heart-Healthy Diet—Even During the Holidays

It’s easy to overindulge in cookies, cocktails, and comfort food during winter festivities. However, consuming excess sugar, unhealthy fats, and processed foods can increase your risk of heart attack and arrhythmias. Try to:

  • Enjoy seasonal root vegetables like beets, squashes, and sweet potatoes.
  • Add winter greens such as kale and spinach; a cup a day is linked to lower heart disease rates [3].
  • Incorporate wild-caught seafood for heart-healthy omega-3s, which reduce triglycerides and are protective for your cardiovascular system [4].
  • Swap heavy holiday appetizers for baked veggies or fresh fruit platters.

3. Stay Active, Even When It’s Cold

A person bundled up for winter brisk walking in a snowy park, radiating health and vitality

Dark mornings and chilly afternoons make it easy to skip your regular walk or gym class. Yet, maintaining (or even increasing!) your physical activity during winter is crucial. Exercise strengthens your heart, improves circulation, and helps control risk factors like high blood pressure [5].

  • Layer up and go for brisk walks, winter hikes, or try out fun new activities like cross-country skiing or snowshoeing.
  • Play active games with family, or join an online exercise group for extra motivation.

4. Be Mindful of Alcohol Intake

Alcohol consumption tends to rise during winter celebrations. Yet, alcohol—a diuretic—can lead to faster dehydration, loss of essential minerals, and increased heart strain [6]. Studies show that binge dr