Congratulations to Dr. Nikolaus McFarland, on the publication of “Aerobic exercise-induced changes in fluid biomarkers in Parkinson’s disease,” which appears in the July issue of npj Parkinon’s Disease. Abstract Parkinson’s disease (PD) is a neurodegenerative disease characterized by motor and non-motor symptoms that progressively deteriorate and for which there is no disease-modifying pharmacological treatment. Exercise…