inside maps and tests reult shows that a huge number
of people might be exposed to hight radom levels
a natural source of radiation from the (specialy granitic rock soil and house kitchen materials!) itself caled Radon!
radom in europe
src: interflow.co.uk
in america
src:c: northeastradon.com
test results:
numbers
src: choiceraltyltd.com h2ocare.com vocehome.com lungcancercause.org
freetobreathe.org trinityradon.com, edgeinspectionllc.com