Doctors treating lung cancer cases in countries or societies where people smoke a lot of cigarettes will realize the debilitating consequences of tobacco smoke on human health. Tobacco smoke is one of the leading causes of and high-risk factors for lung cancer. The most common type of lung cancer caused by the smoke toxin is the squamous cell lung cancer. Most patients affected by squamous cell lung cancer have a history of smoking at some stage in life. Even people who have withdrawn from smoking in 5-10 years can still develop lung cancer. Looking at current epidemiological studies and the prevalence of lung cancer caused by cigarette smoke, there is a remarkable reduction in the number of... [Read more]