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longgone's avatar

Does it make sense to limit water intake when your supply is not far away from running out?

Asked by longgone (17106points) September 2nd, 2015

Imagine you live on a ship. You will be at sea for a month, and the freshwater supply is limited. Every morning, the crew receives a small ration of water which has to last the entire day. It’s enough to survive on, but too little to feel good about.

Biologically, does it make a difference whether you decide to take small sips throughout the day, or drink up right away?

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6 Answers

rojo's avatar

I have always heard that in survival situations, it is better in you than on you. That is drink it up, don’t carry it around in a canteen on your hip.

Adirondackwannabe's avatar

Small sips during the day. Your body regulates itself based on what’s in it. If you drink the water all at once it will say everythings good and excrete whatever it can. If water is in short supply in your body it will conserve what it can. It won’t feel good, but it will be most effective in the long run.

ibstubro's avatar

I’ll go with @Adirondackwannabe‘s answer.
Same with food. That’s the reason that dieting alone doesn’t make people lose weight. Their metabolism compensates fo r lower intake.

Apparently_Im_The_Grumpy_One's avatar

@rojo is certainly right if you have to do a lot of hiking. Carrying around the weight of extra water as opposed to drinking it is a bad idea. Obviously though, as the question is posed: @Adirondackwannabe is 100% correct.

longgone's avatar

Thanks. I’ve been wondering about this for a while!

Zaku's avatar

I think drinking it all at once would also be an issue because then you have a long time with no water coming in, which might cause strain.

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