"Or the variation in natural background radiation from granite areas and how the locals get higher doses than workers in nuclear power stations."
The build-up of radon gas in a building is a known contributory factor to some lung cancers.
"Or the variation in natural background radiation from granite areas and how the locals get higher doses than workers in nuclear power stations."
The build-up of radon gas in a building is a known contributory factor to some lung cancers.