Lung Cancer: A Growing Threat in the Modern Lifestyle

Lung cancer is one of the most common and deadly forms of cancer globally. It begins when abnormal cells grow uncontrollably in the lungs, forming tumors that interfere with breathing and overall lung function. While smoking remains the leading cause, modern lifestyle factors have added to the growing risk.

Causes of Lung Cancer

Smoking tobacco is responsible for nearly 85% of lung cancer cases. However, non-smokers are not immune—secondhand smoke, air pollution, occupational exposure to toxins (like asbestos or silica), and indoor pollutants such as radon also contribute. Sedentary habits, poor diets, and chronic stress further weaken the body’s ability to fight disease.

Symptoms of Lung Cancer

Lung cancer often shows no symptoms in the early stages. As it progresses, common signs include:

• Persistent cough that worsens over time
• Chest pain or discomfort
• Shortness of breath
• Unexplained weight loss
• Fatigue
• Hoarseness
• Coughing up blood

If any of these symptoms persist, especially in smokers or high-risk individuals, medical attention should be sought promptly.

How Modern Lifestyle Contributes

Increased urbanization exposes people to polluted air daily. Many indoor spaces are poorly ventilated, increasing exposure to radon and other chemicals. Vaping and hookah, popular among the younger population, are emerging lung risks. Unhealthy diets and lack of physical activity further compromise lung health.

Prevention – Especially for Smokers

If you're a smoker, it’s never too late to reduce your risk:

• Quit smoking: Seek professional help, nicotine replacement therapy, or join cessation programs.
• Avoid secondhand smoke: Stay away from smoking environments.
• Regular screenings: If you’re over 40 and a smoker, get annual low-dose CT scans to detect early signs.
• Eat antioxidant-rich foods: Include fruits, vegetables, and whole grains in your diet.
• Exercise regularly: Improves lung capacity and overall immunity.
• Check indoor air quality: Test for radon and use air purifiers.

In conclusion, lung cancer is not just a smoker’s disease anymore. Our lifestyle choices, environment, and daily habits play a crucial role in prevention. Awareness, early detection, and healthy living are our best defense.

Featuring insights from Dr. Suresh S, HOD & Senior Medical Oncology Consultant, Apollo Cancer Centres, Vanagaram 

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