In this latest 3P seminar, Mary Herrick, from the LaVoie lab at the University of Florida, Emmanuel Quansah, from the Brundin lab at Van Andel Institute and Ruwani Wijeyekoon from the Barker/Williams-Gray lab at the University of Cambridge discuss the topic of 'Where and how does Parkinson's start?' focusing on peripheral inflammation and the gut-brain axis in Parkinson’s.