> The main reason Neither of the two sources you cite the presence of radioactive polonium as the main carcinogenic effect, just FYI. It is a contributing fact

> The main reason Neither of the two sources you cite the presence of radioactive polonium as the main carcinogenic effect, just FYI. It is a contributing factor, but there are about 70 different compounds in tar that are known to be carcinogenic, one of which is radioactive polonium. https://www.cancerresearchuk.org/about-cancer/causes-of-cancer/smoking-and-cancer/whats-in-a-cigarette-0 https://www.cancerresearchuk.org/about-cancer/causes-of-canc...