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by DanBC 3202 days ago
It's a bit more complicated than that.

(36MB pdf) Page 113 https://www.surgeongeneral.gov/library/reports/50-years-of-p...

> Cancer

> Nicotine is a highly bioactive compound with effects ranging from being a natural pesticide in tobacco leaves to causing addiction in tobacco users. For cancer, there is some biological basis for proposing that nicotine may promote cancer based on experimental studies that have limitations in replicating human exposure and on mechanistic studies, but human evidence is lacking (Lee et al. 2005, 2012; Dasgupta and Chellappan 2006; Zheng et al. 2007; Catassi et al. 2008; Chen et al. 2008b, 2010; Egleton et al. 2008).

(It's a couple of pages, too long to paste here. But all the people posting wikipedia links might also want to read it.)