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Related Experiment Video

Updated: Jul 11, 2026

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Published on: September 22, 2023

Hydration in children.

Friedrich Manz¹

¹Research Institute of Child Nutrition, Heinstück 11, D-44225 Dortmund, Germany. fr.manz@t-online.de

Journal of the American College of Nutrition

|October 27, 2007

Summary

Optimal water intake for adults and children requires more research. Current recommendations focus on 24-hour intake, but individual hydration needs, especially in infants and toddlers, need further study for better public health guidance.

Area of Science:

Public Health
Pediatrics
Nutrition Science

Background:

Water supply is a fundamental public health issue with evolving scientific approaches to defining adequate water intake.
Hydration is critical in pediatrics, with optimal intake potentially achieved through breastfeeding in infants.
Existing research highlights unique water metabolism in infants and the need for more data across age and gender groups.

Purpose of the Study:

To review current understanding of water intake recommendations and identify knowledge gaps.
To explore hydration status, water metabolism peculiarities, and health effects across different life stages, particularly in children.
To address the need for revised and consolidated fluid consumption recommendations, considering factors like obesity and sweetened drink consumption.

Main Methods:

Related Experiment Videos

Last Updated: Jul 11, 2026

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Published on: September 22, 2023

Literature review of scientific periods defining adult water intake.
Analysis of pediatric hydration, including infant water metabolism and diarrhea.
Examination of hydration status in relation to febrile convulsions, drinking behavior, and sex differences in children.

Main Results:

Pediatricians recognize optimal hydration in breastfed infants.
Water intoxication is rare in children; hyponatremia may link to febrile convulsions in toddlers.
Spontaneous drinking behavior may be established in toddlers; sex differences in hydration exist.
Further research is needed on health effects of various hydration states and intakes.
Circadian rhythms of urine osmolality and tolerance to alcohol/caffeine in children require investigation.
Consensus on sweetened drink use is crucial given childhood obesity trends.

Conclusions:

More data are essential to define optimal water intake ranges for diverse age and gender groups.
Current dietary reference intakes for water focus on 24-hour periods, necessitating a review of nutritional counseling practices.
Consolidated and revised recommendations for fluid consumption are needed to address public health concerns and parental guidance.