SpaceX founder Elon Musk’s call to crash the ISS into the seas in 2027 is a bombshell proposal that, if echoed by NASA, will trigger a backlash across the Station allies.

There are many potential dangers of life in space for astronauts including exposure to radiation, the mental health impacts of isolation and confinement, and the effects of weightlessness on the human body.

Astronauts often experience immune dysfunction, skin rashes, and other inflammatory conditions while traveling in space. A new study published in the journal Cell suggests that these issues could be due to the excessively sterile nature of spacecraft.