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      Celebrate Math Awareness Month

      Celebrate Math Awareness Month

      SA Mind
      Biology

      How Viagra Works

      The famous blue pill acts on an enzyme that can block erections 

      • By Dwayne Godwin, Jorge Cham on November 1, 2015
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      This article was originally published with the title "The Blue Pill" in SA Mind 26, 6, 76 (November 2015)

      doi:10.1038/scientificamericanmind1115-76

      ABOUT THE AUTHOR(S)


       

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