Aberdeen scientists have found the recommended intake of two litres of water a day may be excessive.
: "The original estimate of two litres a day comes from a slight miscalculation.
But scientists have now collaborated across the world to measure exact water turnover using a stable isotope technique.Image source,Research involved people drinking a glass of water in which some of the hydrogen molecules were replaced by a stable isotope of the element called deuterium.The rate of elimination of the extra deuterium shows how quickly water in the body is turning over.
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