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Comparison between the weightlessness syndrome and agingThe similarity of detrimental effects of normal aging and of exposure to space weightlessness is discussed. The effects include: the reduction in cardiac output, increase in blood pressure, decrease in respiratory vital capacity, decrease in lean body weight and muscle mass, collagen and fat infiltration of muscle, bone demineralization, and a decrease in urinary excretion of total 17-hydroxicorticosteroids. It is also noted that dispite the accelerated aging of organisms, if animals or human subjects were to spend their entire lives in weightlessness, their lifespans might be significantly increased because of a reduction in metabolic rate. Experimental results are cited.
Document ID
19830007748
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Miquel, J.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 11, 2013
Publication Date
November 1, 1982
Publication Information
Publication: Space Gerontology
Subject Category
Aerospace Medicine
Accession Number
83N16019
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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