Why is Alzheimer's disease so hard to cure? - Krishna Sudhir episode artwork

EPISODE · Aug 15, 2026 · 8 MIN

Why is Alzheimer's disease so hard to cure? - Krishna Sudhir

from TED-Ed · host TED-Ed

Dig into how Alzheimer’s disease affects your brain and cognitive abilities, and what makes the disorder so hard to treat.--Around the world, millions of people have Alzheimer’s disease, a debilitating brain disorder that gradually destroys a person’s memory and other cognitive abilities. While doctors have studied Alzheimer’s for decades, conducting hundreds of clinical trials, there is still no effective preventive treatment or cure. So, why is Alzheimer’s disease so difficult to treat? Krishna Sudhir investigates.Lesson by Krishna Sudhir, directed by Rowena Sheehan.Support Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/can-you-prevent-alzheimer-s-disease-krishna-sudhirDig deeper with additional resources: https://ed.ted.com/lessons/can-you-prevent-alzheimer-s-disease-krishna-sudhir/digdeeperAnimator's website: https://www.rowenasheehan.comMusic: https://soundcloud.com/aim-music----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Chin Beng Tan, Tom Boman, Karen Warner, Iryna Panasiuk, Aaron Torres, Eric Braun, Sonja Worzewski, Michael Clement, Adam Berry, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Jennifer Heald, Megulo Abebe, isolwi, Kate Sem, Ujjwal Dasu, Angel Alberici, Minh Quan Dinh, Sylvain, Terran Gimpel, Talia Sari, Katie McDowell, Allen, Mahina Knuckles, Charmaine Hanson, Thawsitt, Jezabel, Abdullah Abdulaziz, Xiao Yu, Melissa Suarez, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Peng, Tzu-Hsiang, Bethany Connor, Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rayo, Po Foon Kwong, Boffin, Jesse Jurman, Scott Markley and Elija Peterson. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Why is Alzheimer's disease so hard to cure? - Krishna Sudhir

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