The Mystery of Why So Many Lifelong Smokers Never Get Lung Cancer May Be Solved - ScienceAlert

Smoking cigarettes is the number one risk factor for lung cancer, with tobacco products causing up to 90 percent of lung cancer deaths in the United States.

Smoking cigarettes is the number one risk factor for lung cancer, with tobacco products causing up to 90 percent of lung cancer deaths in the United States.  Without a doubt, the safest way to prote… [+3251 chars]

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