Technology is a wonderful thing, but all that emailing, typing, Skyping and talking on the phone keeps us tethered to our desk. And research shows that, as a result, we’re burning fewer calories than we did even a few decades ago. Temple fitness coordinator Crista McKenzie says there are lots of ways to add exercise to your work day, such as walking while talking on a wireless headset. "Not only would you be burning calories, but you'd be more energized and your phone call could be more productive, because you're stimulating your brain just by walking around."