some information nabout the benefist of walking & running
https://www.si.com/showcase/fitness/walking-vs-running
https://www.si.com/showcase/fitness/walking-vs-running
https://barefootuniverse.com/transition-to-barefoot-shoes-barefoot-shoes-for-beginners/
https://www.derstandard.at/story/3000000186807/warum-sind-starke-muskeln-beim-aelterwerden-so-wichtig
http://www.klinikum.uni-muenchen.de/Friedrich-Baur-Institut/download/de/krankheitsbilder/wissenswertes/NME-Patientenratgeber.pdf
https://www.medicalnewstoday.com/articles/exercise-may-provide-some-protection-against-parkinsons-disease#Four-activity-level-groups
https://www.zeit.de/gesundheit/2023-08/sport-lebenserwartung-dkv-report-gesundheit-deutsche-bewegung?mj_campaign=nl_ref&mj_content=zeitde_text_link_x&mj_medium=nl&mj_source=int_zonaudev_Was%20jetzt%3F
https://amp.cnn.com/cnn/2023/07/27/health/exercises-for-blood-pressure-squats-planks-wellness/index.html
https://jamanetwork.com/journals/jamaoncology/fullarticle/2807734
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0287218
https://www.t-online.de/gesundheit/aktuelles/id_100189300/brustkrebs-studie-bewegung-steigert-die-ueberlebenschancen.html