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Changes in Total Body Water During Spaceflight
Author(s) -
Leach Carolyn S.,
Inners L. Daniel,
Charles John B.
Publication year - 1991
Publication title -
the journal of clinical pharmacology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.92
H-Index - 116
eISSN - 1552-4604
pISSN - 0091-2700
DOI - 10.1002/j.1552-4604.1991.tb03663.x
Subject(s) - library science , spaceflight , space radiation , space science , art history , engineering , art , physics , computer science , cosmic ray , astrophysics , aerospace engineering
This experiment represents the first time that it has been possible to measure a body fluid compartment by direct means during spaceflight. Based on the results observed in the five crewmen in this study, it is concluded that TBW decreases by 3.4% after 1 to 3 days of exposure to microgravity in the Space Shuttle. Some individuals appear to undergo this decrease within 24 hours. This effect may be enhanced by decreased water intake due to nausea associated with SMS.