Dr. Gordon Rintoul

Multiple black and white MRI brain scan images that are side-by-side
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Learning about Lewy body dementia

Peak Web October 19, 2026

October is Lewy Body Dementia Awareness Month, but what is Lewy body dementia? According to the National Institute of Health, “Dementia is the loss of cognitive functioning — thinking, remembering, and reasoning — to such an extent that it interferes with a person’s daily life and activities.” Other types of dementia include Alzheimer’s disease, vascular dementia, young-onset dementia, and mixed dementia. According to the Alzheimer Society, approximately “one million people in Canada will be living with dementia” by 2030. Lewy body dementia is a neurodegenerative disease associated with the abnormal accumulation of misfolded alpha-synuclein proteins (Lewy bodies) in neurons. Lewy…

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