I know you’ve heard that you need to drink more water, but do you know why? Water is the most valuable life support substance for your body, right up there with oxygen. Water and oxygen are the only two things in life that you cannot go without, even for a short period of time, or you will die. Studies show that if a 175 pound man were to lose just two and a half percent of water in his body (2 quarts) he’ll lose 25% of his body’s effectiveness towards survival.
When your body begins to dehydrate, more things happen than just being thirsty.