愛(ài)喝咖啡的習(xí)慣也能遺傳

　　Those who drink more coffee are more likely to have a gene that helps their livers break it down If you struggle to get through the day without a constant supply of coffee or tea, it may be down to more than just personal taste. Research shows some of us inherit genes which make us more reliant on caffeine. Those with the ‘caffeine addict’ genes need to drink more coffee or tea to get the same buzz.

　　咖啡在一定程度上作為一種“文化符號(hào)”融進(jìn)了我們?nèi)粘５纳�活中，很多需要玩命工作的白領(lǐng)們甚至到了“沒(méi)有咖啡不能活”的地步，每天至少一杯咖啡提神成為我們生活中很重要的一個(gè)部分。有研究分析，喜愛(ài)飲用咖啡并非后天培養(yǎng)而成，喜愛(ài)咖啡是“天生的”，是體內(nèi)的基因在作怪。科學(xué)家稱(chēng)，如果你想要強(qiáng)迫自己“戒咖啡”度過(guò)一天時(shí)間，并非是控制自己的意志力就能行得通的，您體內(nèi)的“咖啡基因”讓您無(wú)法將咖啡從您的腦海中抹去。

　　This could also help to explain why chocolate is more irresistible to some than others. The intriguing finding comes from a U.S. study scrutinising the DNA and diets of 45,000 people, one of the first to examine links between foods and genes. This flagged up two genes associated with the high intake of tea, coffee, chocolate and caffeinated soft drinks such as colas. One – CYP1A2 – is key to the breakdown of caffeine in the liver. The other, called AHR, regulates the first.

　　專(zhuān)家們?cè)诮忉尅翱Х然�因”時(shí)套用了“巧克力基因”的道理，他們分析，人們不能抵御咖啡的魔力也如同人們不能抵御巧克力的魔力一樣。這一項(xiàng)有趣的美國(guó)研究報(bào)告上首次證實(shí)了人體的DNA與食品之間的關(guān)系，通過(guò)對(duì)4萬(wàn)多名志愿者進(jìn)行調(diào)查，專(zhuān)家們逐漸建立起“食品”和“基因”之間的關(guān)系。研究中，除了咖啡有基因影響以外，還有茶葉、巧克力以及可口可樂(lè)等飲料等等。專(zhuān)家發(fā)現(xiàn)，人體內(nèi)的代謝性激活--CYP1A2是一個(gè)重要的讓人對(duì)咖啡“無(wú)法自拔”的重要原因。

　　Researcher Neil Caporaso said: ‘It’s been known for decades that this CYP1A2 gene is what metabolized caffeine. ‘But using new technology, what we showed for the first time is that it appears responsible for the inherited differences in how people drink coffee. ‘The point is that the way we drink caffeine is not just random – it’s related to the genetic hand of cards you were dealt. ‘If you break it down more quickly, you require more caffeine to achieve the same “buzz” or to avoid withdrawal after stopping all caffeine.’

　　研究員Neil Caporaso 說(shuō)：“攜帶CYP1A2基因的人，對(duì)咖啡成癮的幾率較大。我們通過(guò)新技術(shù)首次發(fā)現(xiàn)，我們對(duì)咖啡成癮是基于體內(nèi)的基因的原因。”

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