Why is it recommended that we drink a lot of water everyday? If you don’t pee, you don’t lose water in your body so is it okay to only drink water after peeing so you keep the same amount of water in your body?
In: Biology
The other two commenters are exactly right. To test this, [hold your hands over your mouth like this stock photo](https://c8.alamy.com/comp/EN7WGJ/portrait-of-a-young-man-with-hands-over-mouth-EN7WGJ.jpg) and exhale. You should be able to feel the humidity of your breath on your hands.
It’s such a small amount of water, most of time you don’t notice, but you are constantly exhaling a little bit each time, and there’s constant evaporation from your skin and eyeballs.
It’s a good idea to drink a lot of water because if you drink extra, you just pee a little more and there is no problem. If you don’t drink enough, your body starts to work less efficiently because it runs low on water and you get dehydrated.
Every cell in our body uses and drains water. You lose water when you sweat and work hard or even twitch your muscles. it’s proven that with a certain amount your body will be functioning at its highest degree in that aspect. You can survive on way less than recommended but you will feel like shit and will not be as high functioning as you would be. Again in that aspect. You also need to eat good and all the required nutrients without having too much of one to be at your fullest.
You are constantly losing water because you are constantly sweating a little bit even when you’re not hot, and through your breath. You also need to pee regularly because that’s how your body disposes of waste from your bloodstream. If you don’t drink enough to be able to pee, you will get sick from not being able to clean your body of waste.
Hydration is key to bodily function in *many* (if not most ways). Without water, there’s no blood (and a million other watery things inside us). With no blood, the heart (powered by electrical signals facilitated by electrolytes/etc, which depends on a balance of hydration) has nothing to do. With nothing to do, the heart stops, which leads to the brain (also dependent on water and blood and electrical signals) shutting down, followed by cessation.
There is no set amount of water to drink. All that bullshit about “if you wait until you’re thirsty, you’re already dehydrated”, is just that, bullshit. And the 8 pints of water a day? That’s bullshit too. Turns out we have a built in mechanism that works just fine. When you are thirsty, drink. It’s really that simple. Everything else is just bullshit. When your body needs water, it will let you know.
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