Most people would never imagine that a human nose could help reshape the future of medicine. But one woman’s extraordinary sense of smell may eventually help doctors diagnose a devastating neurological disease years earlier than ever before. Joy Milne, a retired nurse from Scotland, noticed something unusual about her husband’s scent long before he showed clear symptoms of Parkinson’s disease. More than a decade later, doctors confirmed the diagnosis, launching a scientific journey that researchers now believe could transform how Parkinson’s is detected and treated.
