What is Alzheimer disease?

Dementia affects over 500,000 people in Canada, with about 25,000 new people being diagnosed every year. There are many different diseases that can cause dementia, but Alzheimer disease is the most common. In this 2-minute video, Dr. Anthony Levinson gives an overview of Alzheimer disease, its prevalence, signs and symptoms, and the difference between normal age-related cognitive changes and dementia.

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