it can kill you within three days Rehydrate, "Why is Dehydration so Dangerous?" Why is dehydration so dangerous? loss of 15% http://www.rehydrate.org/dehydration/ Rehydrate, "Why is Dehydration so Dangerous?" http://www.rehydrate.org/dehydration/ [rehydrate.org] [rehydrate.org] Rehydrate [rehydrate.org] http://www.rehydrate.org/dehydration/ [rehydrate.org] http://rehydrate.org/dehydration/ you probably shouldn't