A report describes the danger of dehydration as a 'myth' andsays there is no evidence behind claims that water preventsmultiple health problems It is said to help us prevent kidneydamage, lose weight and increase concentration levels. Butexperts now warn that drinking eight glasses of water a day isnot good for you after all – and could be harmful. (来源：英语学习门户网站EnglishCN.com)

一资料显示，以前专家号召提倡的“多喝水、少生病或者每日八杯水，远离疾病”的健康建议日前遭到了一些专家的质疑，据悉，确实是有多喝水保护肾脏、或者多喝水可以减肥、提高注意力水平的说法，但是确实没有任何证据显示喝水可以防治疾病，专家还警告，饮水量过大甚至还会对健康有害。

They say that scientific claims behind long-standing government guidelines are worse than‘nonsense’. The NHS – along with leading doctors and nutritionists – advises the public to drinkabout 1.2 litres (or two-and-a-half pints) of