Dehydration links

What happens when you can't get water:
https://www.reddit.com/r/askscience/comments/k5vpg/a_lone_man_is_dying_of_thirst_in_the_middle_of_a/c2hs1x5/
http://www.wnd.com/2005/03/29520/
https://www.desertusa.com/desert-activity/thirst.html