What Are the Causes and Symptoms of Lung Cancer?

Question

I recently started learning more about lung cancer, and I was shocked to find out that it’s one of the leading causes of cancer-related deaths worldwide. From what I understand, lung cancer occurs when abnormal cells grow uncontrollably in the lungs, but what exactly triggers this process?

I read that smoking is the number one cause of lung cancer, but I also found out that non-smokers can develop lung cancer due to exposure to air pollution, asbestos, and genetic factors. How common is lung cancer in non-smokers, and what are the early signs to watch out for?

One thing that concerns me is that lung cancer symptoms often appear late, making it harder to treat. What are the first warning signs of lung cancer, and how is it diagnosed in the early stages?

Are there any natural ways to support lung health and reduce cancer risk? I’ve heard that Tulsi, Vasaka, and Curcumin (Turmeric) have anti-inflammatory and lung-protective properties—do these actually help prevent lung cancer?

If anyone has experience with lung cancer, what were the first symptoms, and what treatments were most effective? Did lifestyle changes or natural remedies help during treatment?

Dr Sujal Patil · Accepted Answer

Thank you for sharing your concerns about lung cancer. It’s understandable to feel worried, especially since it is a leading cause of cancer-related deaths. Lung cancer begins when genetic mutations cause abnormal cells to grow uncontrollably in lung tissue. Smoking is the primary trigger, but non-smokers can develop lung cancer due to air pollution, secondhand smoke, asbestos exposure, or genetic factors.

Lung cancer in non-smokers is less common but still accounts for about 10-20% of cases. Early signs to watch for include a persistent cough, chest pain, shortness of breath, wheezing, unexplained weight loss, or coughing up blood. Unfortunately, symptoms often develop late, but regular screenings can help with early detection.

Screening with a low-dose CT scan is recommended for high-risk individuals, such as long-term smokers or those exposed to carcinogens. This can help detect cancer before symptoms appear, improving treatment outcomes.

Regarding natural remedies, Tulsi, Vasaka, and Curcumin have antioxidant and anti-inflammatory properties, which may support overall lung health. However, there is no strong evidence to suggest they prevent lung cancer. Lifestyle measures like avoiding smoking, minimizing exposure to pollutants, and eating a nutrient-rich diet are more reliable ways to reduce risk.

If you have any symptoms or concerns, I recommend discussing lung cancer screening options with your doctor. Early diagnosis is key, and they can guide you toward appropriate testing and prevention strategies. Stay proactive, and feel free to ask more questions as needed.

Dr. Harsha Joy · Answer

Lung cancer develops when abnormal cells grow uncontrollably in the lungs, often triggered by long-term exposure to toxins like cigarette smoke, air pollution, asbestos, and even genetic predisposition. While smoking remains the leading cause, non-smokers can develop lung cancer due to passive smoking, pollution, or weakened immunity. Early symptoms are often subtle, including persistent cough, shortness of breath, chest pain, and unexplained weight loss. Ayurveda focuses on strengthening lung health and detoxifying the respiratory system to reduce cancer risk. Herbs like Tulsi, Vasaka, and Curcumin have powerful anti-inflammatory, antioxidant, and detoxifying properties that help cleanse the lungs and support immunity. Regular consumption of warm herbal infusions, pranayama (breathing exercises), and avoiding exposure to pollutants can enhance lung function. A holistic approach with Ayurveda, a balanced diet, and lifestyle modifications may help maintain respiratory health and reduce the risk of lung disorders. Early diagnosis and medical intervention remain crucial for effective treatment.

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