Cold helps body turn bad fat into good fat

October 10, 2014 5:05 PM

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White fat acts as a thermal insulator, keeping body temperatures stable. It's the thin layer of blubber most obvious on the human belly and thighs. In healthy people, white fat makes up no more than 20 to 25 percent of the body's weight.

Brown fat, on the other hand, is less abundant and doesn't trap but creates heat, thus warming a cold body by burning energy, or calories. When white fat takes on brown fat characteristics, the process is called "browning" and the resulting fat is known as "beige fat." Babies and hibernating mammals...

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