Many houses in Denmark have basements. Radon depends on geology, and occurs in r...

		ulrikrasmussen 11 days ago \| parent \| context \| favorite \| on: Many lung cancers are now in nonsmokers Many houses in Denmark have basements. Radon depends on geology, and occurs in relatively high concentrations on the rocky island of Bornholm: https://www.sst.dk/da/Borger/Straaling_-miljoe-og-klima/Om-i... I Denmark, Radon accounts for about 9% of lung cancer cases: https://www.sst.dk/da/Borger/Straaling_-miljoe-og-klima/Om-i...