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The Surprising Reason You Feel Awful When You Are Sick

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.

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Lesson by Marco A. Sotomayor, animation by Henrik Malmgren.

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