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Why does getting into water make you want to pee?


Immersion diuresis is the name given to the phenomenon of getting into water and then wanting to take a tinkle. I thought it might be something to do with the pressure of water on the bladder or just a psychological effect, but it's actually a lot more interesting and quite a cool demonstration of physiology.

This is the second in my series entitled 'Minute Medicine' where I try to explain an offbeat medical topic in as short a time as possible. So far I've made them during a brief break on a night shift! This is my excuse for why I look fatigued and have terrible hair, but let's be honest those things are true even when I'm not at work. If you haven't subscribed to my YouTube channel yet, then you are an awful, awful person.

#Minutemedicine #Physiology #Immersiondiuresis #Diving

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© Rohin Francis