For many years, researchers have been investigating whether there are any associations between Parkinson’s disease (PD) and lifestyle choices such as smoking and coffee and alcohol consumption. In a review published in the Journal of Parkinson’s Disease, the literature concerning alcohol consumption presents conflicting information.
A systematic review of the relevant literature from 2000-2014, from observational studies, found little evidence for either a positive or negative effect on PD risk from alcohol consumption. When weak associations were observed in some reports, the authors found that the studies were at greater risk of selection and recall bias, which could compromise the effects found.
Sixteen articles that met the criteria for inclusion were identified. All were primary research articles, published in English in peer-reviewed journals.
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