Can astronauts get sick in space?

None of these measures could guarantee astronauts won't get sick in space — but nothing guarantees people won't get sick on Earth either. On Earth, however, you can always duck out to the doctor. read more

"Medical emergencies in an astronaut during a long-term space mission represent a potential life-threatening situation for both the victim as well as the complete crew and endanger the complete mission," Hinkelbein said. read more

yeah they do get sick bt before hitting the space astronauts acclimate themselves to space adaptation syndrome . plus Many medical instruments and medicine are included in the Space Shuttle's medical kit. read more

It's simple. In order to help keep astronauts healthy in space, NASA has made many things. Some of those things that we made for space can also be used on Earth. Those tools now help keep people healthy on Earth. Some of those tools were not even made to keep people healthy. NASA has found new ways to use tools for space. read more

And astronauts who do become infected, are often less up to fighting the pathogen than they normally would be. For reasons scientists have not quite figured out, the immune system can go on the fritz in space: wounds heal more slowly; infection-fighting T-cells send signals less efficiently; bone marrow replenishes itself less effectively; killer cells — another key immune system player — fight less energetically. read more