New evidence about dopamine delivery explains why current Parkinson's treatments succeed—and their limitations
byMcGill UniversityFluorescence microscopy image of dopamine-producing neurons (green) in the midbrain of a mouse. Credit: Nicolas TritschA McGill-led study is challenging a popular theory about how d
Updated on: February 24,2026
New evidence about dopamine delivery explains why current Parkinson's treatments succeed—and their limitations
byMcGill UniversityFluorescence microscopy image of dopamine-producing neurons (green) in the midbrain of a mouse. Credit: Nicolas TritschA McGill-led study is challenging a popular theory about how d
Updated on:February 24,2026
