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Water and Energy Dietary Requirements and Endocrinology of Human Space FlightFluid and energy metabolism and related endocrine changes have been studied nearly from the beginning of human space flight in association with short- and long-duration flights. Fluid and electrolyte nutrition status is affected by many factors including the microgravity environment, stress, changes in body composition, diet, exercise habits, sleep cycles, and ambient temperature and humidity conditions. Space flight exposes astronauts to all these factors and consequently poses significant challenges to establishing dietary water, sodium, potassium, and energy recommendations. The purpose of this article is to review the results of ground-based and space flight research studies that have led to current water, electrolyte, and energy dietary requirements for humans during space flight and to give an overview of related endocrinologic changes that have been observed in humans during short- and long-duration space flight.
Document ID
20040088081
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lane, Helen W.
(NASA Johnson Space Center Houston TX United States)
Feeback, Daniel L.
Date Acquired
August 21, 2013
Publication Date
October 1, 2002
Publication Information
Publication: Nutrition (Burbank, Los Angeles County, Calif.)
Volume: 18
Issue: 10
ISSN: 0899-9007
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
short duration
NASA Discipline Regulatory Physiology
STS Shuttle Project
Skylab Project
NASA Center JSC
Review, Tutorial
Mir Project
long duration
Review
manned
Flight Experiment

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