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Nature 458, 839-840 (16 April 2009) | doi:10.1038/458839a; Published online 15 April 2009

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Obesity: Be cool, lose weight

Stephen R. Farmer1

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To lose weight, would you rather diet, exercise or subject yourself to cool temperatures? The last choice is not such an odd one, as adult humans have brown fat tissue that burns calories in response to cold.

Fat is mainly stored in two types of adipose tissue: white and brown. White adipose tissue stores calories as large lipid droplets within individual cells.

  1. Stephen R. Farmer is in the Department of Biochemistry, Boston University School of Medicine, Boston Massachusetts 02118, USA.
    Email: farmer@biochem.bumc.bu.edu

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