Can Humans Get to Mars Without Going Insane?

From PBS Terra.

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Humanity’s first Martian explorers will face extreme confinement, isolation and disruption of all bodily rhythms. The psychological stress from all of this could lead to a breakdown of social order among those on the mission – even mutiny. How can future astronauts best prepare themselves to face these challenges? And are there lessons that can be learned about this from terrestrial explorers of the past?

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