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.

如果你是這樣一類人――每天如果沒有喝上咖啡喝茶就會渾身不自在，其實這不單只是個人喜好這麼簡單。

Research shows some of us inherit genes which make us more reliant on caffeine.

科學家通過研究發現，體內的某些遺傳基因導致了我們對於咖啡因更加依賴。

Those with the ‘caffeine addict’ genes need to drink more coffee or tea to get the same buzz.

這些體內攜帶有“對咖啡因上癮基因”的人需要和更多的咖啡或茶來讓自己精神振作。

This could also help to explain why chocolate is more irresistible to some than others.

着些許就能解釋，爲何某些人對於巧克力是如此的難以拒接。

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.

美國的學者研究了45000人的基因後得出了這個有趣的結果，這也是首次探尋食物與基因之間的聯繫的實驗。