"Main Man" wrote in message
oups.com...
See here
http://www.hpa.org.uk/radiation/radon/index.htm


They state:
What Are the Effects of Radon?


Miners exposed to high radon levels have been found to run an
increased risk of lung cancer. Radon in the home also presents a risk, but
generally at a lower level.




Thus my earlier comment. I think it may be overblown in the home.