Risk Factors for Lung Cancer in Never Smokers: A Recent Review Including Genetics

Lung cancer, a disease traditionally attributed to the effects of carcinogens from inhaled tobacco smoke, is now recognised in a population with either a relatively light history of smoking, or never smoking. Although second hand smoke contributes to the risk of neoplasia, the extent to which this affects different individuals varies, and probably depends on a combination of genetic, environmental, and racial factors. In addition, there are...