But it only has to happen to one, to happen to you.
March 4
Does dementia happen to all Parkinson's patients?
No, dementia does not happen to all people with Parkinson's disease. Research shows that roughly one-third of people living with Parkinson's develop dementia. However, the risk increases significantly with disease duration.
Studies indicate that between 18 percent and 41 Show Full Answer
Does dementia happen to all Parkinson's patients?
No, dementia does not happen to all people with Parkinson's disease. Research shows that roughly one-third of people living with Parkinson's develop dementia. However, the risk increases significantly with disease duration.
Studies indicate that between 18 percent and 41 percent of people with Parkinson's develop some form of cognitive decline or dementia. For those who've had Parkinson's for more than 20 years, dementia rates can reach 70 percent to 80 percent.
Many people with Parkinson's show signs of mild cognitive impairment (MCI), but this doesn't always progress to dementia. MCI involves problems with thinking and memory that aren't significant enough to affect daily functioning.
When dementia does develop, it typically appears at least one year after the initial Parkinson's diagnosis. The average time between initial movement problems and a diagnosis of Parkinson's disease dementia is 10 years, though it can take up to 20 years for cognitive impairment to advance to dementia.
So while dementia is a concern for people with Parkinson's, especially as the disease progresses over many years, it's not inevitable for everyone.
February 28
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