2Why do we Drink Bitter Coffee?
A new study, conducted by the Northwestern Medicine and QIMR Berghofer Medical Research Institute in Australia, revealed that people with higher sensitivity to the bitter taste of caffeine drink more coffee. Ultimately, heightened sensitivity arises due to genetic factors, called genetic variants.
Marilyn Cornelis, assistant professor of preventive medicine at Northwestern University Feinberg School of Medicine, asserts that the findings of the study seem to conflict with evolutionary logic, since bitter tastes are supposed to protect us from harmful substances. Yet, coffee consumers develop the ability to detect the distinct bitter flavor of caffeine due to the learned positive stimulation evoked by caffeine. In plain English, they learn to associate good things with it.
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