Why is drinking more water good for your kidneys if it makes them “work” harder to remove the excess liquid?
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Processing more blood isn’t what makes your kidneys work harder. Thicker blood (that is, blood with a lower percentage of water) is harder to filter. Think of trying to put something through a sieve; it’ll clog up the sieve if it’s too big, but if you diluted it with more water, it would go through. It’s similar to that in kidneys. Water helps them clear the filters they use to clean our blood, and some of the water becomes urine. When they don’t get enough water to clear the waste into urine, it remains in your system and makes you ill.
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