You're actually quite right:siilaanyolaugh:.Its a well known fact that lack of water and dehydration is not healthy
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908954/
https://www.karger.com/Article/PDF/463060
There is a reason why you can only survive couple days without water or few hours if your an overheated athlete.
Please read those articles I posted.
Hell yeah. Nobody can survive without water for a long period of time