Thirstlessness a Residual Desert Adaptation?

Answered on August 19, 2014
Created February 12, 2013 at 5:17 AM

I tend to be REALLY thirstless. I'm almost never thirsty, I don't really like the taste of water unless I'm dying of thirst (slight exaggeration) which is almost never, sometimes in hot weather I end up deyhdrated and I don't know what hit me and it's a struggle to remind myself to take water. My mom has even joked that I'm part camel! Could this be a leftover adaptation from ancestors who had who lived in a desert environment where water was scarce and therefore it was conducive to survival?



on February 12, 2013
at 05:29 AM

Seems like if you're living in the desert, wanting water would be a lot more conducive to survival than not.

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2 Answers


on February 12, 2013
at 06:14 AM

Maybe you just have a feedback system that doesn't feed back. Thirst merely signals that the body is low on water. I don't see why an adaptation would evolve to fool a desert dweller, and not warn him he is about to die of thirst.


on February 12, 2013
at 10:06 AM

Water is another one of those bro-science "controversial" topics. The bottled water industry has done a good job of convincing people that we need to drink a LOT of it! - to the degree where people, when not thirsty, think there's something wrong with them.

To me, eating paleo means aot being able to listen to your body's clear signals: eat when you're hungry, drink when you're thirsty. If you're not thirsty, your body most likely doesn't need water, even if you're getting below the "recommended" daily intake. If you're having trouble retaining water and no hypertension issues, add some more salt to your food-- eating lowcarb can make you excrete more salt and water.

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