does cigarette smoke produce carbon monoxide Cigarettes contain about 600 ingredients, but when burned, they over 7,000 chemicals. At least 70 of these chemicals are toxic and known to cause cancer. The primary components and resulting chemicals TAR, NICOTINE AND THE PROBLEM
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"Pack Art: Wreathed in the Smoke of Dreams." The Washington Post

and genetic factors (as demonstrated in twin studies) 31

Alternatively, Autor et al (2020) find that firms exposed to large scale import competition may see declining revenues and reduce their R&D expenditures

There is research that suggests it is less harmful than regular smoking (NIH)

RAWs hemp papers are thinner and burn more slowly, which many consumers say enhances terpene flavor and provides a smoother inhale
Wikimedia Commons ) Gauloises is arguably the most recognizable of French cigarette brands (its now owned by Imperial Tobacco, a British company), and it has long relied on patriotic imagery