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Japanese study says drinking 2 litres of water a day is 'over the top'

Times Now logo Times Now 28-11-2022 Times Now Digital
japanese study says drinking 2 litres of water a day is 'over the top' © Provided by Times Now japanese study says drinking 2 litres of water a day is 'over the top'

New York: New research has suggested that standard public health guidelines to drink two litres of water a day are probably over the top. “The current recommendation is not supported scientifically at all,” said, Yosuke Yamada of Japan’s National Institute of Biomedical Innovation, one of the study’s authors.

The study concluded that 1.5 to 1.8 litres is probably sufficient for most. “You can get about 50% of your water needs from food,” Yamada added, as long as your diet isn’t solely bacon, bread and eggs. The study also highlighted the cost of producing all that unnecessary drinking water: by eschewing it.

The group studied water intake and loss in about 5,600 individuals in 23 countries using a technique known as isotope-labeling.

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The researchers found that "water turnover" which refers to the amount of water used by the body each day was an average of 4.2 liters for men aged 20 to 35, and 3.3 liters for women aged 30 to 60.

The researchers also found that the water turnover was significantly lesser for elderly people and changes were also visible depending on external factors such as climate and altitude.

The researchers also say the equation can help to determine the minimum amount of water needed in disaster-hit areas and areas suffering from water shortages due to climate change.

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Yamada says the equation could help to prevent illness as studies show that water turnover is related to human health.

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