A team of researchers including one from The University of Western Australia has concluded that our penchant for coffee is largely affected by our DNA. More specifically, your genes could determine just how much satisfaction can be derived from caffeine.
The study located six new regions of DNA that are associated with coffee drinking behaviour, with some genes affecting our feeling of satisfaction and others potentially affecting the metabolism of caffeine.
The findings could also explain why coffee, which is one of the most widely consumed beverages in the world, is implicated in a range of health conditions.
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