Just 3 days in space was enough to cause cognitive decline in astronauts

A new series of studies dives deep into medical data gathered during 2021’s Inspiration4 space mission. The data gathered shows that just three days in space was enough time to cause changes to astronaut’s health, including their bodies and cognitive functions.

The good news here, of course, is that the changes seen were reversed shortly after the astronauts returned to Earth. However, this continues to highlight the risks that humans take in going to space. We already know that extended time in space can cause bone density loss...