Health and Me

Itisha Arya

Winter Pollution Could Trigger Dangerous Chest Pain, Cardiologist Warns

winter pollution chest pain

For decades, cardiologists have noticed a clear seasonal trend. Heart attacks tend to rise during the winter months. Patients who already have heart conditions often see their health decline in the cold season, requiring more frequent and longer hospital stays. As winter approaches, pollution levels spike dramatically, making breathing more difficult, and for good reason. 

Multiple factors combine to create this seasonal risk. We spoke to Dr. Vikash Goyal, Senior Cardiologist at Paras Health, Gurugram, to understand why <span>chest pain</span> becomes more common in winters.

<h2>Why Does Winter Trigger More Heart Risks?</h2>

Traditionally, this increase in heart-related issues has been linked to the body’s response to cold temperatures. Winter causes blood vessels to constrict and can lead to higher blood pressure, while reduced sweating may cause salt to build up in the body. 

Less physical activity, along with a tendency to eat heavier, richer foods, adds to weight gain and raises blood sugar and cholesterol. Together, these factors increase the workload on the cardiovascular system, contributing to the rise in cardiac events during the winter months.

<h2>How Does Winter Pollution Trigger Chest Pain?</h2>

One constant in North Indian winters is a sharp rise in air pollution that comes alongside dropping temperatures. As the air cools and circulation slows, a thick layer of smog lingers over many cities. This pollution is a mix of vehicle emissions, construction dust, industrial smoke, and seasonal crop stubble burning. The simultaneous rise of air pollution and winter cardiac hospitalizations is too pronounced to ignore.

Dr. Vikash Goyal explained that air pollution has a significant but often overlooked effect on heart health. The heart relies on clear blood flow to support all major organs. When polluted air enters the lungs, tiny particles enter the bloodstream, triggering inflammation throughout the body. This narrows and stiffens blood vessels, forcing the heart to work harder while reducing oxygen supply to vital organs like the brain and kidneys. 

He said, “This can lead to headaches, fatigue, dizziness, or worsening kidney function. During winter, the combination of cold temperatures and trapped smog thickens the blood and raises blood pressure, putting extra strain on the heart.” This explains why chest pain, breathlessness, and other cardiac issues increase during winter pollution season. Protecting yourself from polluted air isn’t just about lungs—it’s about safeguarding your whole cardiovascular system.

<h2>How Do PM2.5 Particles Harm The Cardiovascular System?</h2>

According to the World Health Organization, PM2.5 particles entering the bloodstream can cause multiple harmful effects on the heart. They trigger inflammation, destabilize cholesterol plaques, and increase the risk of plaque rupture, a common cause of heart attacks. They also create oxidative stress, producing free radicals that damage blood vessels and speed up atherosclerosis. Additionally, PM2.5 thickens the blood and makes platelets stickier, raising the chance of clots forming in blood vessels.

<h2>How To Protect Your Heart During Winter Pollution?</h2>

To reduce the impact of winter pollution on your heart, limit outdoor exposure on high-pollution days, wear N95 or N99 masks when going out, and use air purifiers and humidifiers indoors. Stay hydrated, eat foods rich in antioxidants, and keep an eye on your health. 

If you notice persistent chest pain, tightness, or other concerning symptoms, seek medical help immediately.

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chest pain due to air pollution

can pollution cause chest pain

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For decades, cardiologists have noticed a clear seasonal trend. Heart attacks tend to rise during the winter months. Patients who already have heart conditions often see their health decline in the cold season, requiring more frequent and longer hospital stays. As winter approaches, pollution levels spike dramatically, making breathing more difficult, and for good reason. Multiple factors combine to create this seasonal risk. We spoke to Dr. Vikash Goyal, Senior Cardiologist at Paras Health, Gurugram, to understand why chest pain becomes more common in winters.Why Does Winter Trigger More Heart Risks?Traditionally, this increase in heart-related issues has been linked to the body’s response to cold temperatures. Winter causes blood vessels to constrict and can lead to higher blood pressure, while reduced sweating may cause salt to build up in the body. Less physical activity, along with a tendency to eat heavier, richer foods, adds to weight gain and raises blood sugar and cholesterol. Together, these factors increase the workload on the cardiovascular system, contributing to the rise in cardiac events during the winter months.How Does Winter Pollution Trigger Chest Pain?One constant in North Indian winters is a sharp rise in air pollution that comes alongside dropping temperatures. As the air cools and circulation slows, a thick layer of smog lingers over many cities. This pollution is a mix of vehicle emissions, construction dust, industrial smoke, and seasonal crop stubble burning. The simultaneous rise of air pollution and winter cardiac hospitalizations is too pronounced to ignore.Dr. Vikash Goyal explained that air pollution has a significant but often overlooked effect on heart health. The heart relies on clear blood flow to support all major organs. When polluted air enters the lungs, tiny particles enter the bloodstream, triggering inflammation throughout the body. This narrows and stiffens blood vessels, forcing the heart to work harder while reducing oxygen supply to vital organs like the brain and kidneys. He said, “This can lead to headaches, fatigue, dizziness, or worsening kidney function. During winter, the combination of cold temperatures and trapped smog thickens the blood and raises blood pressure, putting extra strain on the heart.” This explains why chest pain, breathlessness, and other cardiac issues increase during winter pollution season. Protecting yourself from polluted air isn’t just about lungs—it’s about safeguarding your whole cardiovascular system.How Do PM2.5 Particles Harm The Cardiovascular System?According to the World Health Organization, PM2.5 particles entering the bloodstream can cause multiple harmful effects on the heart. They trigger inflammation, destabilize cholesterol plaques, and increase the risk of plaque rupture, a common cause of heart attacks. They also create oxidative stress, producing free radicals that damage blood vessels and speed up atherosclerosis. Additionally, PM2.5 thickens the blood and makes platelets stickier, raising the chance of clots forming in blood vessels.How To Protect Your Heart During Winter Pollution?To reduce the impact of winter pollution on your heart, limit outdoor exposure on high-pollution days, wear N95 or N99 masks when going out, and use air purifiers and humidifiers indoors. Stay hydrated, eat foods rich in antioxidants, and keep an eye on your health. If you notice persistent chest pain, tightness, or other concerning symptoms, seek medical help immediately.