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Why do people have seasonal allergies? - Eleanor Nelsen


17,998 Questions Answered

TEDEd Animation

Let’s Begin…

Ah, spring. Grass growing, flowers blooming, trees budding. For those with allergies, though, this explosion of new life probably inspires more dread than joy. So what’s behind this annual onslaught of mucus? Eleanor Nelsen explains what happens when your immune system goes rogue.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Eleanor Nelsen
  • Director Lisa LaBracio
  • Animator Kaitlyn Carroll
  • Sound Designer Weston Fonger
  • Narrator Addison Anderson

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