what in a cigarette What's cigarette? What Absorbs Cigarette Smoke: How
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[DOI] [PMC free article] [PubMed] [Google Scholar] 35.Borland R, Wilson N, Fong GT, et al

Smoking reduces the amount of oxygen reaching your skin, as you inhale carbon monoxide and 4,000 other chemicals

The channels or air passageways are of a cross-sectional area such that particular phase components of mainstream smoke passing through the filter segment are not filtered by or do not interact to a significant degree with the carbonaceous material
Yet 18 percent of the population still smokes

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