8.94K subscribers
Big Tobacco knew radioactive particles in cigarettes posed cancer risk but kept quiet
**Unedited Version ** For Creative Commons**
– “The gathered data from the documents on the relevant radiobiological parameters of the alpha particles – such as dose, distribution and retention time – permitted us to duplicate the industry’s secretly estimated radiation absorbed dose by regular smokers over a 20- or 25-year period, which equaled 40 to 50 rads,” he said. “These levels of rads, according to the EPA’s estimate of lung cancer risk in residents exposed to radon gas, equal 120 to 138 deaths per 1,000 regular smokers over a 25-year period.”
* Published online Sept. 27 2011 in Nicotine & Tobacco Research
