Covid: Slow walkers ‘more likely to die’, study finds
https://www.bbc.com/news/uk-england-leicestershire-56430112
https://www.bbc.com/news/uk-england-leicestershire-56430112
https://www.t-online.de/gesundheit/krankheiten-symptome/id_88847470/studie-zu-nordic-walking-dieser-sport-ist-besser-als-jedes-medikament.html