UK anti-doping agency unaware of any British athletes using xenon

• German broadcaster alleges Russian athletes use the gas• Experts divided on whether inhaling xenon even works UK anti-doping officials are unaware of any British athletes inhaling xenon gas to improve performance after reports emerged that Russian competitors at the Winter Olympics used it to boost their levels of the hormone Erythropoietin (EPO). Russia topped the medal table in Sochi with 13 golds. However, a report by the German broadcaster WDR alleged Russian athletes used xenon to sti...