James Levine, an endocrinologist at the Mayo Clinic led a study showing that thin people burn approximately 350 more calories a day than those who are overweight, by walking to the printer or pacing.

• 他们所需要的东西都在手边，所以他们几乎不离开他们的桌子。唯一需要起来的原因就是要去打印室、复印室或休息室。