Delhi’s toxic air quality fuels lung cancer surge; experts warn of rising cases among non-smokers; know the 5 common causes beyond smoking

World Lung Cancer Day highlights growing concerns in Delhi as hazardous air quality drives a surge in lung cancer cases, particularly among non-smokers. Experts attribute this rise to toxic air pollutants, vehicular emissions, and household fumes. A recent review indicates that nearly half of lung cancer patients are non-smokers, prompting calls for stricter environmental regulations and expanded screening programs.