In this video blog, Dr Sue takes you right inside the respiration chambers at the Department of Human Nutrition, University of Copenhagen, which are used to measure metabolism in a research setting.
By simply measuring oxygen consumption, carbon dioxide output, and nitrogen production over a 24 hour period, we can measure exactly how many calories a person burns over 24 hours, and how much of that calorie burn comes from protein vs fat vs carbohydrates as the fuel source.
These chambers are currently being used in a study of gastric bypass surgery patients that Dr Sue is involved in, as well as study of the effects of sleep deprivation on metabolism in kids.
Dr Sue Pedersen www.drsue.ca © 2010 drsuetalks@gmail.com
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