Can the Human Body Handle Long-Term Space Travel?

[wilsonb]

Can we retaining proper body functions after prolonged periods in space (weightlessness, etc etc etc can cause complications in the body functions if the said body have been in space for years)..

 

[Ryan_m_b]

Weightlessness has a huge effect on human health. Muscles atrophy, bone weight decreases, fluids accumulate etc

 

[Andy Resnick]

Expanding on ryan_m_b's reply, there are also effects on balance, cardiovascular changes, motion sickness, immune system changes, psychological effects, etc..

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