News Genetics

Coffee or tea? Your preference may be written in your DNA

Genetic variants may confer sensitivity to the flavor of caffeine or other bitter chemicals

tea and coffee

BITTER CHOICE Whether people drink tea (left) or coffee (right) may depend partly on which bitter chemicals they have a genetic sensitivity to.   

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By Tina Hesman Saey

- More than 2 years ago

Whether people prefer coffee or tea may boil down to a matter of taste genetics.