birdwatcher (birdwatcher) wrote,
birdwatcher
birdwatcher

Добавлять радиацию в водопровод

NYT -- More recently, a study of radon by a Johns Hopkins scientist suggested that people living with higher concentrations of the radioactive gas had correspondingly lower rates of lung cancer. If so, then homeowners investing in radon mitigation to meet federal safety standards may be slightly increasing their cancer risk.
Tags: статистика
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