Interesting- adaptive thermogenesis

human body is capable of adapting its energy expenditure to changes in dietary intake and thus diminish diet-induced weight fluctuations

http://journals.cambridge.org/download.php?file=%2FBJN%2FBJN91_03%2FS0007114504000443a.pdf&code=c2d53c2f996a4cec14e1b68b258da7cd