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Your XFINITY Connect session has timed out due to inactivity. Click here to go back close The 25 Best Diet Tricks of All Time

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Don't Forget the Dumbbells

"Increase the strength component of your workout. Adding lean muscle to your body not only tones, it also increases your metabolism."

—Sara Shears, celeb trainer

(Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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