The surprising reason you feel awful when you’re sick – Marco A. Sotomayor
View full lesson: http://ed.ted.com/lessons/the-surprising-reason-you-feel-awful-when-you-re-sick-marco-a-sotomayor
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.



![Private: [ID: FhzNoFzkauM] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-fhznofzkaum-youtube-a-236x133.jpg)
![Private: [ID: yXY4_r7qMSI] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-yxy4r7qmsi-youtube-au-236x133.jpg)
![Private: [ID: fk1azYkVK_o] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-fk1azykvko-youtube-au-236x133.jpg)
![Private: [ID: -nlm0hkedrw] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-nlm0hkedrw-youtube-au-236x133.jpg)
![Private: [ID: vhdI0uCH4AI] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-vhdi0uch4ai-youtube-a-236x133.jpg)
![Private: [ID: oeMkeayM-gM] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/10/private-id-oemkeaym-gm-youtube-a-236x133.jpg)