Microgravity environments are known to cause a plethora of stressors to astronauts. Recently. it has become apparent that gut microbiome composition of astronauts is altered following space travel. and this is of significance given the important role of the gut microbiome in human health. https://www.alarecre.com/Looney-Tunes-Marvin-the-Martian-Big-Head-Galaxy-S23-Waterproof-Case-p116784/