研究说，亚洲人和非亚洲人的耳屎属于两种不同类型。亚洲人耳屎为干耳屎，而其余的大部分人为湿的。这取决于第16对染色体上的ABCC11基因。这个基因亚洲人，尤以东亚人（Chinese, Japanese and Korean individuals），与其他人种不一样。这个基因也导致东亚人腋下味道没那么重。
3. It matters where your family is from
Asian and non-Asian ears produce different types of earwax according to scientists at the Monell Institute in Philadelphia. Chromosome 16 is home to the "wet" or "dry" gene for earwax - with the wet variant dominating.
A small change in the gene ABCC11 is related to both the dry-type earwax and also for reduced underarm body odour found in Chinese, Japanese and Korean individuals.
The American study measured the concentration of 12 volatile organic compounds found in earwax - in groups of East Asian and white men.
In 11 out of the 12 compounds the Caucasian earwax had greater amounts of odorous compounds.
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