Research suggests that 80 percent of New Year's resolutions are abandoned come February—not a very good track record for such a widely embraced tradition. And since most of them revolve around health, fitness, and weight-loss goals, experts say that whether you succeed usually comes down to the scope of your promises. Overshoot or get too ambitious, and chances are you'll quit before seeing any real results. So, as we head into the new year, try making some simpler and more sustainable promises to yourself. These are seven easily achievable New Year's resolutions that you might just keep, fitness experts say.

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