Global Wellness

Chiropractic Care | Lewiston, ID | Joan P. Burrow DC NMD

How much water do we need?

Everybody ‘KNOWS’ we need more water when we sweat, when we exercise, and in the summer.  What most people don’t realize is that we need even more water in the winter!  Why?

Our lungs raise the humidity of the air in every breath we take to 100% as we inhale, and when we exhale, the water in that air is released into our environment.  Cold air doesn’t carry as much water as warm air, so the colder the air we breath, the more of our body’s water reserve goes toward making it moist, and is then lost.  [That’s why we fog up the inside of our car windows in the winter.]

Here is how to calculate how much water you need to drink:  Take your weight in pounds and divide it by 2.  This is the number of ounces of water you need daily.  So, if you weigh 128#’s, you need 64 ounces of water (8 cups, or a half gallon).  If you weigh 256#’s you need 128 ounces of water (16 cups, or a gallon).

The next thought is usually “I’ll spend all of my time in the bathroom if I drink that much!”, and it would be true if you go from wherever you are to enough all at once.  But, if you add a cup a day, your body will adapt, and you won’t even notice an increased frequency in bathroom breaks, though you might notice that your urine is less concentrated (a good thing!).

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