Altitude mask on dead Norwegian biathlon competitor wasn’t part of federation’s training program
The performance-enhancing altitude mask that Olympic hopeful Sivert Guttorm Bakken was wearing when he was found dead this week “is not part of the Norwegian Biathlon Association’s organized training ...
Paul Hunter consults for the World Health Organization. He receives funding from National Institute for Health Research and has received funding from the World Health Organization and the European ...
Face masks can help to reduce transmission of respiratory viruses such as influenza, according to experts and medical evidence, but their effectiveness depends on the type of mask used. Social media ...
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