Lung health is a cornerstone of overall well-being, yet it is increasingly under siege from the growing menace of air pollution. With urbanization and industrialization accelerating worldwide, daily exposure to harmful pollutants has become an unavoidable reality for many.

These pollutants, once primarily linked to respiratory conditions like asthma and bronchitis, are now recognized as significant contributors to life-threatening illnesses, including lung cancer—even in individuals who have never smoked.

This alarming link between air pollution and lung cancer underscores the urgent need for greater awareness. Protecting lung health calls for proactive measures, such as minimizing exposure to pollutants, advocating for cleaner environments, and prioritizing early detection of potential health issues.

Recognizing key symptoms and understanding the risks can empower individuals to take control of their respiratory health and reduce the burden of this silent threat.

Can Air Pollution Cause Lung Cancer in Non-Smokers?

Recent research has uncovered that particulate matter in polluted air, particularly from vehicle emissions and fossil fuel combustion, can alter lung cells, making them more susceptible to cancer. While the risk from pollution is lower than from smoking, it is still critical to address.

Non-small cell lung cancer (NSCLC), which claims over 250,000 lives annually, is among the cancer types linked to air pollution. Studies reveal that cells exposed to pollution are significantly more likely to turn malignant, requiring due awareness and vigilance.

Recognizing Early Symptoms of Lung Cancer

Lung cancer is notorious for its subtle onset, often going unnoticed until advanced stages. Knowing the early warning signs can lead to timely intervention.

  • Persistent or worsening cough
  • Coughing up phlegm or blood
  • Unexplained fatigue or weakness
  • Decreased appetite or weight loss
  • Frequent respiratory infections
  • Chest pain that worsens with breathing
  • Swelling in the face or upper body
  • Tingling sensations or balance issues

These symptoms may also mimic less severe conditions, but if they persist, consult a healthcare provider immediately.

Treatment Options for Lung Cancer

Treatment depends on the cancer type and stage, but the main approaches include:

1. Surgery: Effective for early-stage cancers to remove tumours

2. Radiation Therapy: Uses targeted rays to destroy cancer cells

3. Chemotherapy: Drugs that kill or slow cancer cell growth

4. Targeted Therapy: Focuses on specific genetic mutations

5. Immunotherapy: Helps boost the immune system to fight against cancer cells

6. Palliative Care: Provides symptom relief and enhances quality of life in advanced cases

Take Action to Protect Your Lung Health

While smoking remains the leading cause of lung cancer, pollution is a growing threat. Here’s how you can further reduce your risk:

  • Use air purifiers, especially in urban areas with high pollution levels
  • Stay indoors during peak pollution hours
  • Get regular health check-ups, especially if you experience persistent symptoms

Due to increased awareness, early detection and preventive measures are your best defences. If you notice any concerning signs, don’t delay—schedule a medical consultation today.

Disclaimer: The views expressed in this article are of the author and not of Health Dialogues. The Editorial/Content team of Health Dialogues has not contributed to the writing/editing/packaging of this article.
Dr Chandrashekhar Prasad Singh
Dr Chandrashekhar Prasad Singh

Dr Chandrashekhar Prasad Singh (MBBS, MD (Medicine), DNB (Medical Oncology)) is a Medical Oncologist at HCG Cancer Center, Ranchi. He has over 8 years of experience overall. Dr Chandrashekhar specialises in the management of breast, thoracic and GI tract malignancies. He graduated with an MD degree and a gold medal, and has multiple publications in medicine and medical oncology in renowned Indian and international journals.