In 1530, Paracelsus defined a losing condition of miners, the mala metallorum, and also Georg Agricola recommended air flow in mines to prevent this mountain health issues (Bergsucht). In 1879, this condition was determined as lung cancer …

EPA lifetime safety and security standards for carcinogens are developed based on a 1 in 100,000 risk of fatality. A lot of scientists concur that the danger of fatality for radon at 4 p Ci/L is roughly 1 in 100. At the 4 p Ci/L EPA radon …