> do you need evidence that dehydration kills? within a few days yeah. there is none. the reason for the 3 day rule is because two scientists tried it during ww2 and got uncomfortable after 3 days.  > you should go without any sources of water for a week i've gone longer than that. you should check out r/dryfasting. they knew in the early 1900s that dehydration was the only cure for epilepsy and other "incurable" diseases.
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