Science
Going to space for long periods shrinks people’s hearts, even if they exercise in orbit, study finds – Business Insider Australia
Scientists spent almost a year monitoring Captain Scott Kelly on the International Space Station. His heart returned to normal size after he landed.

- The human heart shrinks when not exposed to gravity for prolonged periods, a study found.
- One case study was astronaut Scott Kelly, who spent 340 days in space.
- Exercise can’t counteract the effect, though his heart went back to normal after returning.
- See more stories on Insider’s business page.
The human heart shrinks while in space, and exercise couldn’t stop the effect, according to a study that analyzed an astronaut who spent almost a year in orbit.
Captain Scott Kelly of NASA spent 340 days…
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