radon poisoning
https://docs.google.com/presentation/d/1mg03z83PTyZiSBQJfP872M_Fvd7mOJZJClTSa6FNAYk/edit?usp=sharing
Having your house tested is the only reliable method to determine whether you and also your family members are at risk of high radon direct exposure. The typical international outside radon degree varies between