(Science Daily) Last year, researchers made a game-changing realization: brown fat, the energy-burning stuff that keeps babies warm, isn't just for the youngest among us. Adults have it, too (if they are lucky, anyway), and it is beginning to look like the heat-generating tissue might hold considerable metabolic importance for familiar and irritating trends, like our tendency to put on extra weight as we age. If we can find a way to hold onto, make more, or activate brown fat, it might be one way to help keep us slim, according to scientists who have written a series of minireviews…

The reviews suggest brown fat might be an answer to obesity, whether as a solution for those who are already overweight or as a strategy to prevent those who aren't from getting too heavy in the first place.

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