This Is What Happens to Your Body When You Drink a Gallon of Water a Day

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Outdoor Voices

Age-old stories and advice would have us believe drinking a gallon of water a day will solve every problem we have, from weight loss to anti-aging. You can even trick your brain into drinking more water for those very reasons. But is it a myth? I can't imagine it would help much more than the frequency of my trips to the bathroom. That, and there's evidence it's possible to drink too much water.

So, before trying it myself and subsequently carrying a gallon of water around with me all day, I decided to ask experts in fitness, nutrition, and skin what that water would really affect. Turns out it's not a cure-all for any and every body-related issue. But there are a few surprising things that added hydration helps with. Below, top trainers, estheticians, and nutritionists discuss the truth behind the water bottle.

FYI: We know what you need to do to actually have a "high metabolism."