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Dehydration and cognition: an understated relation

机译：脱水与认知：低调的关系

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Purpose - Water is essential for mental health. In spite of research evidence that dehydration has detrimental effects on cognitive functioning, the element of water has often been understated in the nutrition literature. The purpose of this paper is to highlight the necessity to integrate water as an essential nutrient for healthy cognitive functioning in nutrition research. Design/methodology/approach - This study is based on a general review. The first section reviews the literature on the relationship between dehydration and cognitive performance in both adult and children populations, using electronic databases for systematic reviews and meta-analyses (excluding vulnerable populations', such as infants, the elderly and people with disabilities). The second section examines the status of water, as a nutrient, in nutrition and water-related documentation by international authorities (FAO, UNICEF, World Food Program, WHO, etc.). Findings - Dehydration, even at mild levels, is associated with impairments in basic and higher order cognitive functions. Websites from international authoritative nutrition sources understate the role of water in healthy nutrition, and omit the discussion of the impact of dehydration on cognitive functioning. Originality/value - The relation between dehydration and cognition is under-documented and not enough elaborated in guidelines and texts of authoritative international health policy and dietary sources.
机译：目的-水对于心理健康至关重要。尽管有研究证据表明脱水会对认知功能产生不利影响，但营养文献中经常低估了水的含量。本文的目的是强调在营养研究中将水整合为健康认知功能必需营养素的必要性。设计/方法/方法-这项研究是基于一般评论。第一部分使用电子数据库进行系统的回顾和荟萃分析（不包括婴儿，老年人和残疾人等弱势人群），回顾了成人和儿童人群中脱水与认知能力之间关系的文献。第二部分研究了国际当局（粮农组织，联合国儿童基金会，世界粮食计划署，世界卫生组织等）在营养和与水有关的文件中水作为营养物的状况。发现-脱水，即使是轻度的脱水，也与基本和更高阶的认知功能受损有关。来自国际权威营养来源的网站低估了水在健康营养中的作用，并忽略了脱水对认知功能的影响的讨论。原创性/价值-脱水和认知之间的关系文献不足，在权威的国际卫生政策和饮食来源的指南和案文中没有充分阐述。

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