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TED-Ed

Why do you get a fever when you're sick? - Christian Moro

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11,718 Questions Answered

TEDEd Animation

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There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant species feel fever’s heat. It has persisted for over 600 million years of evolution. But it has a significant cost: for every degree increase in temperature, there’s a 12.5% increase in energy required. So, why and how does your body produce a fever? Christian Moro investigates.

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


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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
Christian Moro
Director
Igor Coric
Narrator
Addison Anderson
Sound Designer
Stephen LaRosa
Director of Production
Gerta Xhelo
Editorial Director
Alex Rosenthal
Producer
Bethany Cutmore-Scott
Editorial Producer
Cella Wright
Script Editor
Emma Bryce
Fact-Checker
Eden Girma

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