Unlike with various other gases like carbon monoxide, you will not have signs of radon poisoning immediately. Rather, health issue from the direct exposure, such as lung cancer, appear after many years.
According to the US EPA, almost 1 in 3 residences checked in 7 states and on https://en.gravatar.com/wortond2xn three Indian lands had screening levels over 4 pCi/L, the EPA's advised action degree for radon exposure. For most individuals, the biggest possible resource of radon exposure is in their house.
