Summer has arrived, brining with it endless vacation opportunities. But while traveling may sound exciting, getting out of town isn't always good for you. Vacationers often abandon their healthy eating habits and exercise routines, undermining the effort they put into preparing for bathing suit season.

   But just because you're leaving the gym behind doesn't mean you can't keep up the hard work. Gayl Canfield, director of nutrition at the Pritikin Longevity Center in Miami, says it's just as easy to stay on the wagon as it is to fall off. "Look at it as a challenge," she says. "Ask yourself: 'What are the things that you can do in this location? What's going to get your out and active?"

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