3 Ways to Pack a Smarter Lunch

Beware the Low-Fat Label

Trading a rich indulgence for a low-fat snack may feel virtuous, but that health halo could actually cause you to eat more. When participants saw the words low-fat on a product, their estimation of an appropriate portion expanded by 25 percent and their caloric consumption increased by as much as 50 percent. To avoid this trap, pay careful attention to suggested serving sizes on low-fat treats or opt for single-serving bags.

To get more ideas for meaningful but manageable steps that will make a big difference to your year, check out Dr. Oz's 28 Day Fresh Start.