Brown fat cells make 'spare tires' shrink

Brown adipose tissue is different from white fat pads. It contains loads of mitochondria, miniature power stations which among other things can 'burn' fat. In doing this, they normally generate a voltage similar to that of a battery, which then provides energy for cellular processes. However, the mitochondria of brown fat cells have a short circuit. They go full steam ahead all the time. The energy released when the fat is broken down is released as heat...

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