An international study found that air pollution leads to more cancer-related genetic changes than secondhand smoke.

Lung cancer among never-smokers is rising worldwide. In one U.S. study of 12,000 lung cancer patients, the share of people who didn’t smoke rose from 8 to 15 percent over twenty years. A British ...

A new study reveals that air pollution, traditional herbal medicines and other environmental exposures are linked to genetic mutations that may contribute to the development of lung cancer in people ...