Wheat prices have almost doubled， and exports have been restricted since the start of the conflict between Russia and Ukraine， two of the world's biggest wheat exporters. Global food supplies have been severely affected. 自俄乌冲突爆发以来，同为全球小麦出口大国的俄罗斯和乌克兰小麦出口受限，小麦价格几乎翻了一番，严重影响了全球粮食供应。
论文共同第一作者张雪映表示，研究结果表明，每天喝8杯水对大多数人来说可能太多了。The total water input and output varies according to multiple factors， including body size， physical activity， air temperature， humidity， and altitude， according to the study.研究表明，水量的输入和输出受多种因素的影响，包括身体大小、身体活动、空气温度、湿度和海拔高度。
