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Sleep disorder could be Parkinson's precursor

April 17, 2008 9:29:09 AM PDT
A sleep disorder could be a precursor of Parkinson's disease. A new study finds individuals who exhibit behaviors related to the loss of normal rapid eye movement, or REM, during sleep are at an increased risk of Parkinson's disease and mild dementia. That's the finding of a study released at the American Academy of Neurology meeting in Chicago this week.

Scientists found REM disorders were linked to violent nightmares followed by motor movement problems and cognitive defects. They found those problems appear to be associated with Parkinson's disease and dementia.


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