eli5: Why does a person urinate more in winters than in comparison to summers?
In: Biology
The cold causes the body to close capillaries to reduce the loss of heat. That means the blood gets concentrated in the core of the body. This raises the blood pressure. The mitigate that the kidneys will work double time to reduce the volume of blood causing you to want to pee more. It’s also what happens to scuba divers.
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