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Kurt Ullman

In article ,
(Charles Pisano) wrote:

Before we knew of radon and had radon testing equipment, we had nothing.
And people have lived a very long time in homes that had never been
tested.

Up until the last couple of years, there were no studies of
residential radon exposures. ALL of the hooha was based on studies of
occupational exposures of miners and then relating those to residential
exposures (despite things like less air exchange in mines, etc.) The
other big area was relating levels of radon in an area with lung
cancers. The key is big areas and there was no look at individual
exposures.
Finally, I note that radon websites call it the second leading
cause of lung cancer. Meanwhile second-hand smoke websites call it the
second-leading cause of lung cancer.