Astronauts and kidney stones

[Hugh]

Apparently kidney stones have been reported more than thirty times by astronauts returning to Earth. I don't remember reading any SF in which this was seen as a possibility. If not resolved, it seems this may have consequences for ambitious longer term space travel.

Here's an article in today's Guardian:
(unfortunately it also discusses experiments with mice).

Space mice may offer clues to why astronauts get kidney stones

Animals from International Space Station may shed light on link between space travel and high incidence of the painful condition

www.theguardian.com