#19: Reporting Space Sickness Instead of Hiding It
Nausea is not a character flaw, and pretending otherwise could interfere with a mission. Space adaptation sickness affects many first-time flyers during their first days in microgravity, when the brain receives unfamiliar and sometimes conflicting information from the eyes and balance organs. Headache, disorientation, stomach awareness, fatigue, nausea, and vomiting can occur while the body adjusts. Astronauts may handle the symptoms discreetly around colleagues because nobody enjoys becoming ill in a shared room, but they are not expected to conceal them from medical personnel.
