The 11 Fitness Experiments You Should Try in 2020
11 Out-of-the-Box Fitness Challenges That Our Editors Want You to Try in 2020
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Not everyone loves the gallon-a-day challenge, but if you're one of those people who accidentally neglects their hydration from time to time (*raises hand*), it's a great way to reset and figure out how much water your body really wants. Beyond the physical effects (like weight loss and clear skin), drinking more water might even help your mental health.
Try the experiment: drinking a gallon of water a day.