What changes happen after a mountaineering expedition?

A lot of changes happen to your body over the course of a mountaineering expedition. What happens when you return back to lower altitudes?
Created by Stephen Cheung, Ph.D., Director of the Environmental Ergonomics Lab and Professor at Brock University ( / eelbrock .
Papers discussed:
Szymczak RK, T Grzywacz, E Ziemann, M Sawicka, R Laskowski. Prolonged sojourn at very high altitude decreases sea-level anaerobic performance, anaerobic threshold, and fat mass. Frontiers in Physiology. 12:1703, 2021. DOI: 10.3389/fphys.2021.743535.
Graphic created using BioRender.com.