2nd August 2012 - New research


Neurology [2012] Aug 1 [Epub ahead of print] (Postuma RB, Lang AE, Munhoz RP, Charland K, Pelletier A, Moscovich M, Filla L, Zanatta D, Romenets SR, Altman R, Chuang R, Shah B.) Complete abstract

Neurology [2012] Aug 1 [Epub ahead of print] (Schwarzschild MA.) Complete abstract

Caffeine was found to reduce Parkinson's Disease symptom scores using the standard scale for Parkinson's Disease, which is the UPDRS. There were no changes in quality of life, depression or sleep quality. The amount of coffee assessed was  2 to 4 cups of coffee per day. The trial lasted for 6 weeks. Caffeine is commonly found in coffee, and to a lesser extent in tea, cola drinks, cocoa, and chocolate. Studies had consistently linked caffeine, a non-selective adenosine antagonist, to a lower risk of Parkinson's Disease. However, the effects on the symptoms of people who already had Parkinson's Disease had not previously been adequately evaluated.

The researcher described it as "a modest improvement, but may be enough to provide benefit to patients". He pointed out that the study was short and that the effects of caffeine may lessen over time. Previous studies that used much higher quantities (about 8 cups of coffee per day) resulted in no improvement in symptoms, and instead caused an increase in dyskinesia, restlessness and insomnia. For a printable version of this article click here For more current news go to Parkinson's Disease News.


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Parkinson's Disease News details all significant new research, news reports, new books, and new resources concerning Parkinson's Disease and those medical disorders that often coincide with Parkinson's Disease. It is compiled from an analysis of  all newly published research, news reports, new clinical trials, all newly published books, and new web sites. A summary and analysis of the new research are provided,  as well as links to the complete abstracts and news reports



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