how to mitigate radon
http://business.poteaudailynews.com/poteaudailynews/news/read/39927116/What_are_the_Symptoms_of_Radon_Poisoning?
" Radon therapy" is an intentional direct exposure to radon via breathing or ingestion. Nevertheless, epidemiological proof shows a clear web link in between breathing high concentrations of radon as well as occurrence