Radon is estimated to cause about 21,000 lung cancer deaths per year.
The numbers of deaths from other causes are taken from the Centers for Disease Control and Prevention's 1999-2001 National Center for Injury Prevention and Control Report and 2002 National Safety Council Reports. Lifetime risk of lung cancer deaths from EPA Assessment of Risks from Radon in Homes (EPA 402-R-03-003). Data listed is from the US EPA (EPA.gov/radon)
High levels of radon gas can be remedied through a mitigation system and can reduce the levels by up to 99%. On a national average, 1 in 15 homes have high levels of radon gas and the only way to protect your home is through testing.
See www.epa.gov/radon/ for more information.