...as they do in hot weather. Worse yet, they don't seem to notice because they don't see any sweat on their skin. People forget that a HUGE amount of water evaporates from the mouth, throat, and lungs when cool, dry air rushes in and out.
Oh and by the way, "drink 8 glasses of water" really means "if you squeeze all the water out of all the foods and beverages you consume in one day, it should fill 8 glasses." But again, that's for an average size person doing nothing at all in a moderate climate with moist air. It also doesn't account for consumption of caffeine and other substances which cause the untimely extraction of water from the body. Most of us should make a conscious effort to drink some extra water. |