Tobacco smoke contains carbon monoxide and tar, a sticky soup of around 250 toxic chemicals, 69 of which are known to be carcinogenic, causing disease, disability, and early death
It illustrates the exposure this gives the deadly habit with the example of Transformers: Age of Extinction, which features a cigar-smoking robot
The harmful chemicals in cigarette smoke break down collagen and elastin, which are essential proteins for maintaining skin elasticity and firmness
National Institutes of Health, National Institute on Drug Abuse
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The time-delaying factor here is the separation of the acetic acid (acetate) from the basic cellulose structure