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Lung cancer, traditionally associated with smoking, is becoming increasingly prevalent among non-smokers in India. Experts attribute this alarming trend to factors such as air pollution, exposure to secondhand smoke, occupational hazards, and indoor pollutants like cooking fumes.
A recent study published in the Lancet’s eClinical Medicine Journal highlights the concerning statistics. The research reveals that lung cancer develops 10 years earlier in India compared to Western countries, where the typical age of diagnosis ranges from 54 to 70 years. This disparity is partly due to India’s younger population, with a median age of 28.2 years, compared to 38 years in the US and 39 years in China.
Dr. Shrinidhi Nathany from the Department of Molecular Hematology and Oncology at Fortis Memorial Research Institute explained that the increase in lung cancer cases among non-smokers in Southeast Asia, including India, is closely linked to high levels of PM 2.5, a dangerous air pollutant. He pointed out that passive smoking and genetic susceptibility also play significant roles in this trend.
Delhi, often dubbed the “pollution capital” of India, along with other urban areas experiencing three-digit PM 2.5 levels, significantly contribute to the development of lung cancer. Dr. Nathany emphasized the need for regular screening for individuals in high-risk categories, such as those living in highly polluted cities, farmers exposed to pesticides, and people with a strong personal or family history of cancer.
Dr. Ashish Gupta, Chief of Medical Oncology at Unique Hospital Cancer Centre, echoed these concerns, highlighting the role of environmental factors in the rising incidence of lung cancer. He stressed that air pollution, secondhand smoke, occupational hazards, and indoor pollutants are critical contributors to this public health issue.
To combat this growing problem, experts call for the enforcement of stringent air quality regulations and increased public awareness about the dangers of secondhand smoke and environmental pollutants. Regular screenings for high-risk groups are also crucial to reducing the incidence of lung cancer among non-smokers in India.
“Being informed and proactive about lung cancer risks is essential,” Dr. Nathany added. “Regular screening can lead to early detection, significantly improving treatment outcomes.”
As the data underscores the urgency of addressing lung cancer among non-smokers, it is imperative for both policymakers and the public to take comprehensive steps to mitigate this health crisis.
