New gadgets demystify metabolism; Find out how many calories your body burns

And when she doesn't gain a pound -- ever -- there's only one thing to blame: her metabolism.

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<p><a href="http://www.physorg.com/news165691681.html">New gadgets demystify metabolism; Find out how many calories your body burns</a></p> <p> And when she doesn't gain a pound -- ever -- there's only one thing to blame: her metabolism.</p>