Gallery: Kick Your Metabolism Up A Notch With These 5 Great Tips!

What do freezing cold temperatures, sweating in a room for an hour, a piece of salmon, and green tea all have in common? Turns out they're all really great at helping to speed up your metabolism! Whether you're looking to increase the effectiveness of your workouts, trying to make healthy habit changes, or just tired of your sluggish metabolism, this list of 5 great tips, from the newfangled and slightly wacky to the time-tested classics, will lead you to a speedier metabolism.