1,247,762 views | Ivan Seah Yu Jun • TED-Ed
What is Alzheimer's disease?
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's affects the brain, shedding light on the different stages of this complicated, destructive disease. [Directed by STK Films, narrated by Addison Anderson].