Discover what happens in your body when you have a fever and why its role in our immune response remains a mystery to scientists. -- There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant species feel fever’s heat. It has persisted for over 600 million years of evolution. But it has a significant cost: for every degree increase in temperature, there’s a 12.5% increase in energy required. So, why and how does your body produce a fever? Christian Moro investigates. Lesson by Christian Moro, directed by Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: bit.ly/TEDEdPatreon Check out our merch: bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: bit.ly/TEDEdNewsletter Follow us on Facebook: bit.ly/TEDEdFacebook Find us on Twitter: bit.ly/TEDEdTwitter Peep us on Instagram: bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: ed.ted.com/lessons/why-do-you-get-a-fever-when-you-re-sick-christian-moro Dig deeper with additional resources: ed.ted.com/lessons/why-do-you-get-a-fever-when-you-re-sick-christian-moro#digdeeper Animator's website: www.artrake.com/ ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Rare Media, Rayo, Faizan, Elizabeth Gu, Nazmul Idris, Po Foon Kwong, Siobhan O'Connor Gwozdz, NinjaBoffin, Jesse Jurman, Josue Perez Miranda, Jan-Erik, Scott Markley, Kaitlyn holland, Elija Peterson, Michele Lynn Rose, Jai Prasanth, Vack91, David Lucsanyi, Xavier dupont, Marisa Miller, Boytsov Ilya, Steven Razey, Javier Aldavaz, Nathan Giusti, Mada Arslan, Joichiro Yamada, Ritul Raghavan, Aline de Paula Zillig, Yambu Ganesh Shaw, Abeer Rajbeen, John Hong, Minh Tran, Helen Lee, Anthony Benedict, Turine Tran, Mathew Samuel, Karthik Balsubramanian, Lee, Livia-Alexandra Sarban, Annastasshia Ames, João Henrique Rodrigues, Sebastiaan Hols, Aries SW, SANG HAN, Amy Lopez, ReuniteKorea, Vinh-Thuy Nguyen, Liz Candee, Clovis Norroy and Danielle Downs.

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