它隶属于一个更为庞大的化学物质家族——有机锡，它们是由锡和碳氢化合物构成的，而其与肥胖症的联系也只是最近才发现的。

Tributyl tin is part of a larger group of chemicals known as organo-tins, which combine tin and hydrocarbons; the link with obesity was discovered only relatively recently.

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直至最近，AD最重要的遗传易感基因，载脂蛋白e - e4的等位基因才被发现，但是其他基因遗传多态性也被发现。

Until recently, the most important genetic risk factor for AD was the presence of the allele E4 of the apolipoprotein e, but recently other genetic polymorphisms of risks have been identified.

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