About 64% of American adults drink at least one cup of coffee a day, according to a 2017 Gallup poll.
根据2017年的盖洛普调查显示,约有64%的美国成年人每天至少要喝一杯咖啡。
For the new study, researchers analyzed medical and genetic data on 370 people from a small village in southern Italy, and 843 people from six villages in northeast Italy.
在这项新的研究中,研究者们分析了受调查者的医学和遗传数据,其中370人来自意大利南部的一个小村庄,843人来自意大利北部六个不同的村庄。
The researchers discovered that people with the PDSS2 variant reported consuming fewer cups of coffee than people without the variant.
研究者发现,体内携带PDSS2基因突变的人会比没有携带这种基因突变的人少喝很多咖啡。
When the researchers replicated the study with a group of 1,731 study participants from the Netherlands, they noticed similar results.
当研究者们在荷兰对1731名研究对象重复这项研究的时候,他们得出了相似的结果。
"This variant is very common, and around 50% of the European population has either one or two copies of it," Pirastu said. "More research is needed to determine the variant's prevalence in other populations as well as to clarify its biological link with caffeine."
皮拉斯图说:“这种基因突变很常见,欧洲人口中大约有50%的人有一或两种PDSS2的基因副本。我们需要更多的研究来判定这种记忆变体在其他人口中的广泛性,同时弄清楚这种变体与咖啡因在生物学上的联系。”
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