Exposure to beta-2 agonists not linked with reduced risk of Parkinson’s disease

Beta-2 agonists are bronchodilators commonly used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). Although beta-2 agonists have been associated with a reduced risk of Parkinson’s disease in some previous epidemiological studies, this association was not found in a recent register-based study from the University of Eastern Finland.