does mark harmon smoke cigarettes Smoking cigarette NCIS Star Mark Harmon Reveals
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So it is bad to be predictable
doi: 10.3322/caac.21812 [DOI] [PubMed] [Google Scholar] 47

contain more nicotine,tar and carbon monoxide than cigarettes regular users of tobacco become

Smoking can also damage the cilia, which can be linked to chronic hoarseness, throat infections, and even such life threatening conditions as cancer