Children should be made aware of the importance of adequate hydration, especially if they are more active

In December 2018 researchers from Spain published the results of their study to assess the hydration status and water intake in 242 children, aged 7-12 years, together with an assessment of their physical activity and sedentary behaviour. A 24-hour urine sample was collected from each child and their hydration status assessed. In addition, a 3-day dietary record was completed to evaluate their water intake. Results showed that only 48.3% of the children had an adequate hydration status, with the percentage being significantly higher in females. However, only 20.9% showed an adequate intake of water. When lifestyle factors were taken into consideration, the more inactive schoolchildren appeared to be adequately hydrated whereas those undertaking physical activity for over 1 hour per day appeared be at a higher risk of having inadequate hydration.

Perales-GarcĂ­a A et al. Physical activity and sedentary behavior impacts on dietary water intake and hydration status in Spanish schoolchildren: A cross-sectional study. PLoS One. 2018 Dec 31;13(12):e0208748

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