Your citations don't back up your claim that "the main reason smoking causes cancer" is polonium 210. They just note that polonium 210 is one possible reason fo

Your citations don't back up your claim that "the main reason smoking causes cancer" is polonium 210. They just note that polonium 210 is one possible reason for smoking causing cancer. From your [1]: > Do these doses lead to lung cancer? It’s hard to say, especially since the effects of polonium are only part of a wider range of damaging consequences caused by inhaling cigarette smoke. But animal studies certainly give us cause for concern. Moreover wikipedia cites two articles saying: > In contrast, a 1999 review of tobacco smoke carcinogens published in the Journal of the National Cancer Institute states that "levels of polonium-210 in tobacco smoke are not believed to be great enough to significantly impact lung cancer in smokers."[224] In 2011 Hecht has also stated that the "levels of 210Po in cigarette smoke are probably too low to be involved in lung cancer induction".[225] https://en.wikipedia.org/wiki/Health_effects_of_tobacco#Radioactive_carcinogens https://en.wikipedia.org/wiki/Health_effects_of_tobacco#Radi...