Tar is responsible for the staining of fingers and teeth from smoking tobacco and is a lethal carcinogen, meaning it causes cancer however tar will not just lead to cancer but is a major cause of Chronic Obstructive Pulmonary Disease (COPD)
It takes a long time to work the tobacco and ferment it before it is ready
Air enters through the lit end and through the paper, close to the pyrolysis zone, and smoke emanates from the lit end ( Figure 12.4.1 )
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doi: 10.1007/s11356-023-30542-4, PMID: [DOI] [PubMed] [Google Scholar] 8.Lee SH, Yun Y, Kim SJ, Lee EJ, Chang Y, Ryu S, et al
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