The Energetic Cost of Living

Your body is almost always using energy, whether you’re going hard labor, or just sleeping. Play along with our Labor Quiz to see if you know the answers to questions like:

  • True or False: When you sleep your body consumes the caloric equivalent of 1 tablespoon of ketchup.
  • Thinking requires energy, so you burn a lot more calories thinking really hard
  • Celery is a “negative calorie food,” because it takes more calories to digest celery than you absorb from eating it.
  • It takes more energy to digest a sandwich made with whole wheat bread and real cheese than one made of white bread and American cheese.