Motion sickness in spaceflight occurred only rarely in the earliest space flights in small capsules, but in the larger Space Shuttle the incidence is fully 70 pct. Apparently, in larger spacecraft the requirement to make head movements and body movements in weightlessness, increases the likelihood of space sickness. Typically, after its appearance in the first day of a spaceflight, space sickness is made worse by head movements and by disorientation, and it is ameliorated by remaining motionless. Antimotion sickness drugs have been useful in dealing with space sickness and biofeedback techniques might be useful, but attempts to predict susceptibility (except by assessing susceptibility on previous spaceflights) have not been successful.
Space Sickness
1991
5 pages
Report
No indication
English
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