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Alzheimer's disease is the most common cause of dementia, affecting more than 40 million people worldwide. And though it was discovered more than a century ago, scientists are still struggling for a cure. Ivan Seah Yu Jun describes how Alzheimer's affects the brain, shedding light on the different phases of this complicated and destructive disease.
Lesson by Ivan Seah Yu Jun, animation by STK Films
Video credits to TED-Ed YouTube channel