The surprising reason you feel awful when you're sick - Marco A. Sotomayor

source: TED-Ed 2016年4月19日
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.