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Correlation Between Smoking And Parkinson's Disease

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There are nearly 40 epidemiological studies that have been published about this topic. In the late 1950's the first report about negative association between smoking and Parkinson’s disease is done by Dorn, 1959 (5) who reported decreased PD occurrence among smokers after conducting mortality studies. Later on several epidemiological studies have found that the relation between cigarette smoking and PD in patients who smoke are 50% less likely to have PD when compared to the non-smoker counterparts. This piont out that cigarette smoking may have a “neuro-protective” effect on PD (29). In the 1970’s more studies, both case-control and longitudinal were achieved, and mostly supported the negative association and protective effect of smoking in

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