Do You Really Need Eight Glasses of Water a Day?
Eight glasses a day is easy to remember, but hydration is more personal than a single number suggests. Food, activity, climate, age and health all influence how much fluid your body actually needs.
Eight glasses a day is easy to remember, but hydration is more personal than a single number suggests. Food, activity, climate, age and health all influence how much fluid your body actually needs.
Waking with a painful calf cramp makes dehydration an easy suspect. But research suggests the relationship between hydration and muscle cramps is more complicated than simply needing more water.