For decades, the tobacco industry has hidden the facts about the addictive nature of nicotine and the deadly effects of tobacco use.
Tobacco use causes lung cancer, heart disease, emphysema and impotence.
When smokers quit, their lungs immediately begin to clean themselves and their health will return as long as no permanent damage has been done. Quitting may also stop or reverse other harmful effects. 1 Smoking and toxic chemicals on the job are a dangerous combination. Together, they increase the risk of disease. For example, smoking by itself increases the chance of lung cancer 11 times.