Doctor warns that lung cancer risks extend beyond smoking, citing environmental, occupational, and indoor exposures as critical factors. Dr. Prriya Eshpuniyani highlights non-smoking risk factors like radon, air pollution, and workplace hazards, emphasizing the need for broader awareness.
Recent medical discourse underscores that lung cancer is not solely a smoker’s disease, as experts reveal overlooked risks in daily environments. Dr. Prriya Eshpuniyani, Consultant Thoracic Surgeon and Surgical Oncologist at Zynova Shalby Hospital, Ghatkopar, Mumbai, explains that non-smokers face significant threats from factors like radon, air pollution, and occupational exposures. These findings challenge the outdated narrative that smoking is the sole driver of lung cancer, urging a reevaluation of preventive strategies.
Risks Beyond Smoking
While tobacco remains a major risk factor, the medical community increasingly recognizes that non-smokers are also vulnerable.
Radon, a naturally occurring radioactive gas, is a silent threat. The US Environmental Protection Agency and the CDC recommend testing homes for radon, as long-term exposure increases cancer risk, particularly for people who smoke. However, the second leading cause of lung cancer
label for radon needs context, as it comes mainly from US public-health data and should not automatically be applied to every country, including India. In India, long-term exposure often stems from traffic emissions, industrial pollutants, and seasonal smog, which accumulate over decades.
The Role of Environmental Exposure
Environmental pollutants play a pivotal role in lung cancer risk. Fine particulate matter, especially PM2.5, penetrates deep into the lungs, triggering chronic inflammation and cellular damage. In India, exposure to these pollutants is exacerbated by traffic congestion, industrial activity, and construction dust.

Indoor air quality is equally critical. Biomass fuels, poorly ventilated kitchens, and second-hand tobacco smoke are significant risk factors. The Hindustan Times article cites Dr. Eshpuniyani’s advice to improve ventilation and transition to cleaner cooking fuels, particularly in homes with frequent smoke exposure. These measures could mitigate a substantial portion of lung cancer risk among non-smokers.
Occupational Hazards and Workplace Safety
Workplace exposure to carcinogens like asbestos, silica, and diesel exhaust is another overlooked danger. The WHO lists these as key risk factors, yet compliance with safety protocols remains inconsistent. Respiratory protection must be tailored to specific hazards, as generic masks offer little to no protection.

Occupational risks are particularly pronounced in construction, mining, and manufacturing sectors. Workers in these fields face prolonged exposure to dust and chemicals, which can lead to chronic respiratory conditions. Dr. Eshpuniyani advises employers to enforce safety guidelines and provide appropriate equipment, such as respirators, to reduce exposure. Simply wearing any mask does not guarantee protection,
she cautions, highlighting the importance of proper fit and selection.
Warning Signs and Early Detection
Non-smokers may dismiss early symptoms, mistaking them for common ailments. Dr. Eshpuniyani lists warning signs such as a persistent cough, unexplained weight loss, and chest pain. She advises consulting a doctor if symptoms persist for more than a few weeks, as early detection significantly improves treatment outcomes. Lung cancer should not be viewed only through the lens of smoking,
she emphasizes, advocating for broader screening criteria.
Screening initiatives remain underutilized, particularly among non-smokers.
Preventive Measures and Public Health
Preventive strategies include monitoring air quality, using protective masks, and adhering to workplace safety standards.
Public health campaigns must address the evolving risk landscape. While smoking cessation remains a priority, efforts should expand to educate communities about environmental and occupational hazards. Dr. Eshpuniyani’s insights underscore the importance of a multifaceted approach, combining individual precautions with systemic changes to reduce lung cancer incidence.
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