During my years working with astronauts, it was routine to hear about returning crew being carried from their re-entry capsules on stretchers. Even last year, we saw this when NASA astronauts Suni Williams and Butch Wilmore finally came home after their unexpectedly long nine-month stint on the International Space Station.
Despite the top-notch health and fitness required to become an astronaut an...
In this article, the narrative emphasizes the importance of gravity in maintaining human health. The text presents weightlessness as a challenge to our bodies, causing disproportionate weakening of postural muscles and bone fragility due to uncoupled processes of bone reabsorption and formation. This highlights the role of gravity as a "training partner" that keeps us upright and prevents our slow collapse brought on by time and inactivity.
The article also suggests potential remedies for these ...