Coffee lovers override humans’ natural aversion to bitterness. Photo: Alamy

Coffee and our love/hate relationship with bitterness

  • Humans’ reaction to bitter taste is a protective mechanism to avoid eating poisonous food
  • Sensitivity to caffeine can override the aversion to bitterness and make coffee lovers seek out bitter tastes

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Coffee lovers override humans’ natural aversion to bitterness. Photo: Alamy
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