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well not that that's not serious,
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but some additional psychological disturbance
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that he might have been experiencing.
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There were also poor cognitive effects.
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Now not too many of these showed up on objective tests.
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But the men perceived things like concentration and memory deteriorating
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and a series of biological effects, the cold intolerance I mentioned,
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the slow metabolism which makes sense, I'll describe in a minute,
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the low body temperature, respiration, heart rate
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and even things like edema because the men were drinking so much water
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just in an attempt to feel full.
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These are very serious effects.