Delhi Air "Silent Epidemic": Ex-AIIMS Chief On Why People Are Falling Sick

What happened: Dr Guleria, a former AIIMS chief, described Delhi's air as a "silent epidemic" and said growing evidence links long-term exposure to polluted air with a higher risk of lung cancer. Why it matters: He said poor air exposes the lungs to mutations, and that lab studies and clinical data suggest the risk rises among non-smokers as well.

Dr Guleria, a former AIIMS chief, described Delhi's air as a "silent epidemic" and said growing evidence links long-term exposure to polluted air with a higher risk of lung cancer.

He said poor air exposes the lungs to mutations, and that lab studies and clinical data suggest the risk rises among non-smokers as well.