Word: postuma
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...years. "We have been aware of the potential connection between REM sleep disorder and these diseases for some time, but this is the largest and longest study to estimate the true risk of getting Parkinson's and other neurodegenerative diseases if someone has the sleep disorder," says Dr. Ron Postuma, the study's author and a neurologist at Montreal General Hospital. (See the top 10 medical breakthroughs...
...this march, the nerve damage hits the pons, a region in the brain that regulates sleep. "So in Parkinson's, there is a period that we don't know how long it lasts, in which the neurons are dying in the brain, just not in the motor areas," says Postuma. "And sleep is an area where this degeneration occurs, indicating that the process of Parkinson's has started...
...Postuma stresses that REM sleep disorder is a rare condition not to be confused with the tossing and turning that most of us do every night. People with the condition have vivid movements nearly every night, and unlike those who sleepwalk or sleeptalk and remain confused for a bit after they awake, these patients are completely alert and oriented once they wake...
...decline in nerve function that's responsible for Parkinson's. But identifying the disease at this earlier stage may help scientists come up with newer ways of protecting the motor neurons from further damage. "We don't have agents now to stop the degeneration of Parkinson's," says Postuma. "But once we have those agents, as far as I'm concerned, every patient with REM sleep disorder should be taking...
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