From a non-NASA site: "NASA does not mandate astronauts to undergo an appendectomy before embarking on a mission. This decision stems from the understanding th

From a non-NASA site: "NASA does not mandate astronauts to undergo an appendectomy before embarking on a mission. This decision stems from the understanding that the risks associated with surgery frequently outweigh the potential benefits." https://www.lunarsail.com/do-astronauts-have-their-appendix-removed/ https://www.lunarsail.com/do-astronauts-have-their-appendix-...