How much water we need per day

Function of Water in the Human Body

Water is easily accessible in most parts of the globe, in every household. Perhaps
because it is cheaper and most plentiful than any other beverage, it is easy for us to
overlook its tremendous importance.

Water is necessary for the human body to function properly. It plays many more roles
than what we normally realize, such as helping us to exhale, stabilizing our body
temperature, humidifying the air to help our breathing, eliminating toxins and waste from
our bodies, and many other vital functions.

How much water does our body need everyday?

We need 2 to 2.5 Liters of water per day to fully satisfy the physiological needs of the
body.

The water in our bodies must be continuously replenished. On average, our bodies lose
600ml of water daily through breathing, 500ml through our skin, and 1400ml through
urination. About 2500ml of water is necessary for every day of your life. We take in
aprrox. 500ml of water daily through food, but we still need 2000ml more, which we can
only get by drinking water.

Average amount of water an adult drinks each day
Recommended Amount by WHO = 2l
U.S = 1l
Korea = 0.6l
Japan = 0.9l

The WHO recommends 2 liters of water daily for adults. For a child weighting 10kg, 1 liter
daily is recommended.

(Source from IOM/Institute of Medicine of the National Academy of Sciences)

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