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Lung Cancer: Not Just for Smokers
10 Aug
Summary
- Second-hand smoke poses a significant lung cancer risk.
- Air pollution and indoor toxins contribute to lung damage.
- Occupational hazards and genetics also increase susceptibility.

While smoking is a primary risk factor for lung cancer, the disease can impact individuals who have never smoked. Several environmental, genetic, and occupational factors contribute to lung cancer risk among non-smokers.
Exposure to second-hand smoke significantly elevates the chances of developing lung cancer. Additionally, breathing in particulate matter and toxic pollutants from outdoor air pollution can lead to respiratory damage.
Poorly ventilated indoor environments can harbor harmful elements like radon gas and fumes from cooking or biomass fuels, impacting lung health. Workers regularly exposed to industrial chemicals, asbestos, or diesel exhaust face increased occupational hazards.
Pre-existing lung conditions such as COPD or pulmonary fibrosis can make individuals more susceptible. Genetics also plays a role, with a family history of lung cancer increasing an individual's risk.