radon mitigation knoxville tn
https://www.wfxg.com/story/42117911/what-are-the-symptoms-of-radon-poisoning
6 out of 7 were a mix of high radon exposure as well as cigarette smoking. Therefore, if you live and also smoke in a residence with radon degrees above 4 pCi/L, there is an exceptionally high danger of lung cancer