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.