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well-endured. Over forty years of experience with manned space flight have now conclusively demonstrated that man can easily survive and work in weightless conditions, despite the chronic repression of the body’s immune functions. This suggests that mimicking space-related immunosuppression on earth may be a relatively suppressing the immune system in patients suffering from excessive immune activation, like autoimmune disease, hence identification of the machinery responsible could provide significant benefit for earthly health care.
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