Document Detail

Does stress induce salt intake?
MedLine Citation:
PMID:  20416129     Owner:  NLM     Status:  MEDLINE    
Psychological stress is a common feature of modern day societies, and contributes to the global burden of disease. It was proposed by Henry over 20 years ago that the salt intake of a society reflects the level of stress, and that stress, through its effect on increasing salt intake, is an important factor in the development of hypertension. This review evaluates the evidence from animal and human studies to determine if stress does induce a salt appetite and increase salt consumption in human subjects. Findings from animal studies suggest that stress may drive salt intake, with evidence for a potential mechanism via the sympatho-adrenal medullary system and/or the hypothalamo-pituitary-adrenal axis. In contrast, in the few laboratory studies conducted in human subjects, none has found that acute stress affects salt intake. However, one study demonstrated that life stress (chronic stress) was associated with increased consumption of snack foods, which included, but not specifically, highly salty snacks. Studies investigating the influence of chronic stress on eating behaviours are required, including consumption of salty foods. From the available evidence, we can conclude that in free-living, Na-replete individuals, consuming Na in excess of physiological requirements, stress is unlikely to be a major contributor to salt intake.
Susan J Torres; Anne I Turner; Caryl A Nowson
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Publication Detail:
Type:  Journal Article; Review     Date:  2010-04-26
Journal Detail:
Title:  The British journal of nutrition     Volume:  103     ISSN:  1475-2662     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-03     Completed Date:  2010-06-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  1562-8     Citation Subset:  IM    
School of Exercise and Nutrition Sciences, Centre for Physical Activity and Nutrition, Deakin University, 221 Burwood Highway, Burwood 3125, Vic, Australia.
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MeSH Terms
Adrenal Medulla / physiopathology
Food Preferences / physiology
Hydrocortisone / physiology
Hypertension / etiology
Hypothalamo-Hypophyseal System / physiopathology
Sodium Chloride, Dietary / administration & dosage*,  adverse effects
Stress, Psychological / physiopathology*
Sympathetic Nervous System / physiopathology
Reg. No./Substance:
0/Sodium Chloride, Dietary; 50-23-7/Hydrocortisone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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