Does Parkinson’s have a “smell”? That’s what Joy Milne wondered. For years, she smelled something akin to yeast emanating from her husband, Les, that neither he nor anyone else could smell. Les would eventually exhibit signs of, and be diagnosed with, Parkinson’s.

In NPR, Milne tells her story about the “smell” and the research in which she participated that looked further into her special skill. Read the feature here.