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07 April 2011

Coffee addiction is genetic

Genetics may help determine how much caffeine one craves, new research indicates, with differences in two specific genes driving people to consume more - or less - of the world's most popular stimulant.

Genetics may help determine how much caffeine one craves, new research indicates, with differences in two specific genes driving people to consume more - or less - of the world's most popular stimulant.

The two genes in question are labelled CYP1A2 and AHR. The former has previously been linked to the process by which caffeine is metabolised, while AHR regulates the activity of CYP1A2.

 
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