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Any deviation from 1 g would cause health effects.
So, one might get better results with, say 150% Earth Gravity.
I've actually spoken to Russian astronaut Valeri Polyakov who has the longest record of being in space, 438 days in the Mir spacecraft. He said it took him 10 days before he felt normal again after returning to earth due to muscle and bone weakness.
Greetings.Are there any theories regarding the minimum gravitational force required to keep astronauts healthy during a long space voyage such as a trip to Mars? Would it take a full 1 "g" or could we get away with less perhaps in a rotating crew module in a spacecraft?