A neuroscientist from brown University Rachel Herz believes that the disgusting taste is bitter.
The refusal of something bitter helps a person to stay alive, because the bitterness is present in many toxic products.
Neuroscientist also believes that each person is different products will be disgusting.
According to her, adolescents learn to love coffee and beer, because they see that their peers drink beer and coffee. And adults added to salads bitter greens, because it is extremely useful.
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