Astronaut gut microbiome alterations induced by long-duration confinement

Astronaut gut microbiome alterations induced by long-duration confinement Throughout long-duration spaceflight, maintaining astronaut health is crucial to the feasibility of a manned mission to Mars. In the longest controlled human confinement study conducted to date, the ground-based Mars500 experiment investigated long-duration health by isolating six astronauts for 520 days. [Read more]