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Why is Alzheimer’s disease so difficult to treat? - Krishna Sudhir

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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.

Additional Resources for you to Explore

Still curious about dementia and Alzheimer's disease?

Learn more about modifiable risk factors for dementia and how one can reduce risk here and here.

To dig deeper into the causes of Alzheimer's, explore these more detailed articles on the three major factors linked to pathophysiology, namely beta-amyloid, tau proteins, and neuroinflammatory mechanisms.

If you're interested in the role of cognitive stimulation for dementia prevention, you may be interested in reading articles about serious games, word puzzle use, or general mental exercise in treatment studies.

Interested in the way genes work to create health outcomes, including dementia and Alzheimer's? This fact sheet may help.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Krishna Sudhir
  • Director Rowena Sheehan
  • Narrator Addison Anderson
  • Composer André Aires
  • Sound Designer André Aires, Guilherme Araujo
  • Produced by Gerta Xhelo, Abdallah Ewis
  • Editorial Director Alex Rosenthal
  • Editorial Producer Shannon Odell
  • Fact-Checker Charles Wallace

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