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TED-Ed

Why do people have seasonal allergies? - Eleanor Nelsen

566,015 Views

18,835 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.

Watch the video and finish the Think section to complete the lesson.


About TED-Ed Animations

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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