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The surprising reason you feel awful when you’re sick – Marco A. Sotomayor

Marco A. Sotomayor | TED-Ed

View full lesson: http://ed.ted.com/lessons/the-surpris…

It starts with a tickle in your throat that becomes a cough.

Your muscles begin to ache, you grow irritable, and you lose your appetite.

It’s official: you’ve got the flu. It’s logical to assume that this miserable medley of symptoms is the result of the infection coursing through your body — but is that really the case?

Marco A. Sotomayor explains what’s actually making you feel sick.

Lesson by Marco A. Sotomayor.

Animation by Henrik Malmgren.