The 32 known "obesity genes" only account for 1.45 percent of the variation in BMI.

而32组“肥胖基因”在人体体质指数变化中只占1.45%的比例。

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They have also discovered that women with any of the obesity genes are also more likely to enter puberty prematurely.

他们还发现，有任何肥胖基因的女性也更有可能提前进入青春发育期。

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Much of the recent research focus has been on the intense hunt for obesity genes involved in appetite or calorie burning.

目前大多数研究的重点都是寻找与食欲或热量消耗有关的肥胖基因。

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Another study was able to confirm only one of 50 proposed obesity genes.

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DeCode will search for obesity genes by looking through a population of 70, 000 Icelanders and checking for differences in their DNA. Genes that obese people have in common will be pinpointed within the 3.1 billion letters of DNA code found in nearly every human cell.

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Dr Ian Campbell, chairman of the National Obesity Forum, told BBC News Online about 250 genes which may be linked to obesity were currently under investigation.

BBC: NEWS | Health | Gene that makes you eat too much