Guest guest Posted June 24, 2004 Report Share Posted June 24, 2004 Permitted Humans To Adapt To Colder Climates, Researchers Find That last article, about test mice that used more oxygen, had a faster metabolism, and produced more heat, (and lived longer) reminded me of this article I read a few months ago. http://www.sciencedaily.com/releases/2004/01/040114075853.htm " Consider two individuals that eat the same number of calories and get the same amount of exercise. The individual with a mtDNA mutant that increases heat production will require more calories for energy production and thus will have fewer calories left over to produce oxygen radicals. This individual will be partially protected from age-related diseases and will live longer. By contrast, the individual with mitochondria that make more ATP per calorie burned will store fat and generate more oxygen radicals if he or she eats the same level of calories as the individual with the cold-adapted mitochondria. " Quote Link to comment Share on other sites More sharing options...
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