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Nutrients
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Hydration, Thermoregulation and Fluid Balance: Implication for Health
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Hydration, Thermoregulation and Fluid Balance: Implication for Health

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Sports Nutrition".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 3257

Special Issue Editor

Dr. Brendon P. McDermott

E-Mail Website
Guest Editor
Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR 72701, USA
Interests: thermoregulation; fluid balance; renal physiology

Special Issue Information

Dear Colleagues,

We are organizing a Special Issue for Nutrients on topics related to hydration, thermoregulation and fluid balance in health. As the Impact Factor of Nutrients is currently 5.9, publishing your work presents an opportunity to educate our broad readership about hydration, fluid balance and thermoregulation. Exercise hydration has received significant attention in the past, and only recently has the discussion shifted toward viewing hydration as a healthy lifestyle behavior. Water is considered by some experts to be the ‘forgotten nutrient,’ as many dietary recommendations exclude specific fluid intake guidelines. We know of many health benefits related to maintaining adequate fluid intake, and we continue to find more such benefits through research. Many chronic diseases are prevented when adequate fluid intake is consistent. Sometimes, even short-term responses to other types of stress are mitigated with the maintenance of hydration. This Special Issue serves as an opportunity to share the latest research on hydration and health.

Further, our planet continues to warm. This process continues to present many challenges to humans of all ages. We are still learning about the stresses on various systems in the body caused by this phenomenon. Unfortunately, to date, research documenting effective and consistent improvements to thermoregulation and heat illness prevention has fallen short. This Special Issue highlights the urgency of documenting specific stresses, sex differences, age alterations, heat stress challenges and strategies to overcome the barriers to thermoregulation. There are many people who face inherent daily heat stress risks, and this stress will worsen without intervention.

In this Special Issue of Nutrients, we welcome original research articles, as well as review articles discussing the current state of research in this field.

We hope that you will accept this invitation to publish your work.

Dr. Brendon P. McDermott
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • hydration
  • thermoregulation
  • fluid balance
  • fluid intake
  • water
  • health

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

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9 pages, 259 KiB  
Article
Association of Knowledge and Health Habits with Physiological Hydration Status
by Brendon P. McDermott, Xiujing Zhao and Jennifer C. Veilleux
Nutrients 2024, 16(11), 1541; https://doi.org/10.3390/nu16111541 - 21 May 2024
Cited by 1 | Viewed by 1280
Abstract
The association of hydration knowledge and health habits with hydration status and fluid intake is rarely examined. We sought to determine whether knowledge or physical health behaviors predict physiological hydration status and fluid intake. Ninety-six participants (59 female; 27 ± 10 year) completed [...] Read more.
The association of hydration knowledge and health habits with hydration status and fluid intake is rarely examined. We sought to determine whether knowledge or physical health behaviors predict physiological hydration status and fluid intake. Ninety-six participants (59 female; 27 ± 10 year) completed the previously validated hydration survey. Participants then recorded total fluids consumed (TFC), collected urine, and tracked void frequency for 24 h. Hydration status was assessed via 24 h urine specific gravity (USG) and osmolality (Uosm). Health behaviors included self-reported physical activity, BMI, smoking, alcoholic drinking, and sleep status. TFC was significantly correlated with 24 h USG (r = −0.390; p < 0.001), Uosm (r = −0.486; p < 0.001), total urine volume (r = 0.675; p < 0.001), and void frequency (r = 0.518; p < 0.001). Hydration knowledge was not correlated with 24 h USG (r = 0.085; p = 0.420), Uosm (r = 0.087; p = 0.419), urine total volume (r = 0.019; p = 0.857), void frequency (r = 0.030; p = 0.771), or TFC (r = 0.027; p = 0.813). Hydration knowledge did not predict 24 h USG (LR+ = 1.10; LR− = 0.90), Uosm (LR+ = 0.81; LR− = 1.35), or TFC (LR+ = 1.00; LR− = 1.00). Health habits did not predict 24 h USG, Uosm, or TFC. In conclusion, self-reported 24 h diet and fluid log recording is comparable to hydration status verification via 24 h urine collection. Hydration knowledge and health habits are not related to, or predictive of, hydration status. Full article
(This article belongs to the Special Issue Hydration, Thermoregulation and Fluid Balance: Implication for Health)

Review

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29 pages, 2120 KiB  
Review
A Review on In Vivo Research Dehydration Models and Application of Rehydration Strategies
by Boyuan Wang, Xiaolu Wei, Xiyan Zhao, Weimin Wang, Jianjun Deng and Haixia Yang
Nutrients 2024, 16(20), 3566; https://doi.org/10.3390/nu16203566 - 21 Oct 2024
Viewed by 1648
Abstract
Background: Dehydration, a common condition where the amount water lost from the body exceeds intake, disrupts metabolic processes and negatively impacts health and performance. Rehydration, the process of restoring body fluids and electrolytes to normal levels, is crucial for maintaining physiological health. In [...] Read more.
Background: Dehydration, a common condition where the amount water lost from the body exceeds intake, disrupts metabolic processes and negatively impacts health and performance. Rehydration, the process of restoring body fluids and electrolytes to normal levels, is crucial for maintaining physiological health. In vivo dehydration models are experimental systems used to study the effects of dehydration on living organisms. However, a comprehensive summary of in vivo models and the application of human rehydration strategies is lacking. Methods: This review provides a comprehensive overview of various in vivo models and rehydration strategies. Results: In vivo models, stimulated by fluid restriction, exercise, thermal exposure, and chemicals, have been used to study dehydration. Importantly, the principles, characteristics, and limitations of the in vivo models are also discussed, along with rehydration administration methods, including oral, intestinal, intravenous, subcutaneous, and intraperitoneal routes. Additionally, rehydration strategies and the application for managing different dehydration conditions both in daily life and clinical settings have been summarized. Conclusions: Overall, this review aims to enhance the understanding of the conditions in which in vivo dehydration models and rehydration strategies are applicable, thereby advancing research into the physiological and pathological mechanisms of dehydration and supporting the development of effective rehydration therapies. Full article
(This article belongs to the Special Issue Hydration, Thermoregulation and Fluid Balance: Implication for Health)
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