Hydration, hydration, hydration! From supple skin to immunity to maintaining a balanced mood, if you want to improve your health, “just add water” seems to be the panacea. Despite getting hit over the head with the “more water” mantra, most of us are all too familiar with the dry lips, brain fog, congestion, and morning puffiness of dehydration. This got us pondering, is the recommended gallon a day doing us any good? What really matters when it comes to daily drinking habits? Determining how much water to drink shouldn’t require a whiteboard’s worth of Ph.D. level chemistry, so why’s there so much debate about how much we need? We dove into the watery depths to find out...