how many cigarettes does it take to get black lungs Grim footage shows of smoker who had a pack a day for 30 years Blacks far likelier to get

Blacks far likelier to get lung cancer from smoking The Denver Post Smoking may spark lung to brain reaction tied to dementia, study finds University of Chicago News DYK? Smoking can damage the lungs, which can turn the lung tissue a darker color than healthy lung tissue. Keep your lungs healthystay smoke free. #HealthyLungMonth Pack years is a way to measure a smoker's exposure to tobacco. Higher exposure means higher risk for lung cancer. beaumont.org lung

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