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Lower olfactory test score was “significantly” associated with the development of probable dementia, the researchers wrote.
They also found a change in olfactory test score was associated with change in cognitive function test score.
“Olfactory dysfunction precedes the development of probable dementia in older patients with type 2 diabetes,” they concluded.
General warning signs
Different types of dementia can affect people differently, and everyone will experience symptoms in their own way.