Dehydration? (10 pts)?


Question:
what happens exactly when the body is dehydrated to the point where a person begins vomiting? what causes it? what are things that can cause the body to dehydrate in a short amount of time, and how short can that time period be sometimes? at what point does it become life threatening?

any info would be fantastic
10 pts to the one with the best answer

Answers:
Eyes look sunk in.when you pinch the skin using all 5 fingers on the stomach...the skin won't bounce back. not peeing for along time and when you do the urine is dark yellow, lethargic, and sticky saliva are all symptoms of dehydration...if you have any of those symptoms it can become life threatening especially in children and the elderly. Dehydration can occur in 12-24 hours.
well people faint. and well its like a car when it runs our of gas. and u get a stroke. heat stroke
I don't know but I saw on tv once that you can pee in your shirt and wrap it around your head. Or you can drink your pee. I think I would just dehydrate and keep my pee where it should be.
Drinking salt water = really bad. Your body will pull water out of you to dilute the salt. Same deal with distilled water. Even thought it is clean, its TOO CLEAN. Your body puts its own minerals and vitamins in it to restore balance. i used to drink it in chem class ><

Your own Urine > Salt water in this situtation, and you saw it on Man vs. Wild!
Dehydration happens when you don't drink enough water and your body reacts by vomiting because it is trying to fix the problem. Causes are not drinking enough fluids (this can happen during cold weather too because you don't feel like you need the fluids when in fact you need them), excessive sweating and high heat. It becomes life threatening when you stop sweating(by that I mean that you have run out of sweat. This will lead to heat stroke and possibly death). The best thing to do is drink fluids as often as possible and take breaks when working.
http://www.medicinenet.com/dehydration/a...


hope that helps
Eating alot of salt will dehydrate you fast
the best way for you to find this out is just not take in any fluids for about 3 days and see what happens.
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