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11. Drinking a ton of water all at once

Staying hydrated is one way you could change your body without dieting. Still, downing a whole bottle of water before a workout isn't necessarily the best idea, according to Raddatz.

"It's really important to stay hydrated all day long that way you never really feel like you're trying to chug a whole bunch of water and then go do a workout," she said. "You want to take a couple of sips and keep moving through the workout, not stop half way through to guzzle down half your bottle [because] it's going to make you cramp up or it might just make you feel cruddy."

Water makes up 60% of your body weight, and spreading your intake throughout the day can benefit your muscles and your body's overall equilibrium.

[Photo via @ryliewatson]

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