Scientists had long wondered whether fat tissue might contain stem cells.

长期以来，科学家们一直很想弄清楚脂肪组织中是否含有干细胞。

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Leptin decides whether fat should be stored or used, resulting in lethargy or energy.

瘦素决定身体要储存或者消耗脂肪，困倦无力还是精神抖擞。

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For example, it controls the decision regarding whether fat is stored or burned, based on the amount of energy in the cell.

例如，它决定着细胞内脂肪是储存还是分解，这决定于细胞内能量的多少。

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So tens or hundreds of millions of dollars would go into a study like this by the time it was completed, money that could have been used for other things, to test whether eating a low fat diet would reduce risk for breast cancer.

数以百万计的美元,投入到这样的研究,当研究结束时,本可以用来做其他事情的钱,被用来检测是否低脂膳食,可降低患乳腺癌风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The gamble here is whether the fat times will continue for the flyboys.

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Whether slim or fat, a person leading a sedentary lifestyle has similar chances of dying young to a smoker.

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"Whether it was squeezing the fat out of NatWest or not overpaying for silly deals in America, which every Brit bank seems to do, Goodwin has always managed to deliver, " says Michael Denny, the chairman of Northern Ventures Managers, a venture-capital firm.

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