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Nutrition, endocrinology, and body composition during space flightSpace flight induces endocrine changes that perturb metabolism. This altered metabolism affects both the astronauts' body composition and the nutritional requirements necessary to maintain their health. During the last 25 years, a combination of studies conducted on Skylab (the first U.S. space laboratory), U.S. Shuttle flights, and Soviet and Russian flights provides a range of data from which general conclusions about energy and protein requirements can be drawn. We have reviewed the endocrine data from those studies and related it to changes in body composition. From these data it appears that protein and energy intake of astronauts are similar to those on Earth. However, a combination of measures, including exercise, appropriate diet, and, potentially, drugs, is required to provide the muscle health needed for long duration space flight.
Document ID
20040089210
Acquisition Source
Johnson Space Center
Document Type
Reprint (Version printed in journal)
Authors
Lane, H. W.
(NASA Johnson Space Center Houston TX United States)
Gretebeck, R. J.
Smith, S. M.
Date Acquired
August 21, 2013
Publication Date
November 1, 1998
Publication Information
Publication: Nutrition research (New York, N.Y.)
Volume: 18
Issue: 11
ISSN: 0271-5317
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
Flight Experiment
NASA Center JSC
Review, Tutorial
manned
Skylab Project
Review
NASA Discipline Regulatory Physiology
STS Shuttle Project
long duration
short duration

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