The fascination with Joy [Milne] is of course attributable to the fact that she can smell the way she can, but it is heightened by the fact that no one knows why. She is hyperosmic by any reasonable definition, but hyperosmia has been the object of so little serious scientific investigation — the smell taboo in action, no doubt, at least in part — that it lacks even a set of agreed-upon definitional criteria.
— Read more in The Woman Who Could Smell Parkinson’s at The New York Times.