In 1530, Paracelsus explained a losing illness of miners, the mala metallorum, as well as Georg Agricola recommended air flow in mines to avoid this mountain sickness (Bergsucht). In 1879, this condition was identified as lung cancer by Ha…

The biggest threat of radon exposure emerges in buildings that are impermeable, insufficiently ventilated, and also have foundation leaks that enable air from the soil into basements as well as home spaces. WHO offered in 2009 an advised r…