Future use Effect of spaceflight on the human body

space colonization efforts must take account effects of space on human body.

the sum of human experience has resulted in accumulation of 58 solar years in space , better understanding of how human body adapts. in future, industrialisation of space , exploration of inner , outer planets require humans endure longer , longer periods in space. majority of current data comes missions of short duration , of long-term physiological effects of living in space still unknown. round trip mars current technology estimated involve @ least 18 months in transit alone. knowing how human body reacts such time periods in space vital part of preparation such journeys. on-board medical facilities need adequate coping type of trauma or emergency contain huge variety of diagnostic , medical instruments in order keep crew healthy on long period of time, these facilities available on board spacecraft coping not trauma, adaptive responses of human body in space.

at moment rigorously tested humans have experienced conditions of space. if off-world colonization someday begins, many types of people exposed these dangers, , effects on young unknown. on october 29, 1998, john glenn, 1 of original mercury 7, returned space @ age of 77. space flight, lasted 9 days, provided nasa important information effects of space flight in older people. factors such nutritional requirements , physical environments have far not been examined become important. overall, there little data on manifold effects of living in space, , makes attempts toward mitigating risks during lengthy space habitation difficult. test beds such iss being utilized research of these risks.

the environment of space still largely unknown, , there as-yet-unknown hazards. meanwhile, future technologies such artificial gravity , more complex bioregenerative life support systems may someday capable of mitigating risks.