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](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/11/111418_TI_coffee-tea_feat.jpg?fit=860%2C460&ssl=1)
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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