Why didn't humans evolve through allergies?
22 May 2011
Question
Why didn't humans evolve through allergies?
Answer
Rick - Well, we evolved to tune our immune system in the presence of different infectious organisms and in a way, allergies have resulted because we're no longer in the environment in which we evolved. So I suppose, because allergies are so recent and human population is no longer being selected by natural selection, I don't think we are going to evolve through allergies.
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