Coffee obsession could be in your genes

CAFFEINE CRAVING: Gene variation leaves you wanting more.

DRINK more coffee than your colleague at work? Well that caffeine desire could be down to your genes.

Researchers found that people with a certain variation of the PDSS2 gene don’t need to consume as much coffee to get a caffeine hit. Those without the variation metabolise caffeine more quickly and as a result, are more likely to want to drink more coffee.

Researchers from the University of Edinburgh and the University of Trieste, Italy, studied the DNA of around 3,000 coffee drinkers in the Netherlands and Italy. Participants were asked to complete a survey about how many cups they had each day.

It found Italian people with the DNA variation, on average, drank one less cup of coffee a day than those without it and it was slightly less in the Netherlands for those with the variation.

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