“Metabolism” is the name of the bodily system that converts food calories to energy needed to perform various tasks, like pumping oxygen to muscles during a long walk. Many variables contribute to your metabolism, including heredity, gender, and age. But you can quicken yours; here’s how.
When researchers from Vanderbilt University in Nashville, Tennessee, put people into a “metabolic chamber” (a small room that measures heat output in order to calculate a person’s metabolic rate) and showed them funny videos, the subjects’ metabolic rates rose by 10 to 40 calories. It’s a small increase, but every calorie counts for those seeking weight loss, says lead researcher Maciej Buchowksi, PhD.