Why Are Pollen Allergies So Common?

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Why Are Pollen Allergies So Common?



Why Are Pollen Allergies So Common?You can't get more natural than plants. Humans have been around them for our entire evolutionary history. So why are roughly 20 percent of Americans allergic to pollen, as if this plant sperm powder were some sort of toxic foreign substance?












Barnes & Noble and the e-reader competition



Barnes & Noble Inc. makes a variety of Nooks with black-and-white screens, dedicated to reading, and the Nook Color and Nook Tablet, which add color screens, third-party applications and Internet browsing to the mix.






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