Woman with rare ‘superpower’ who smelled husband’s disease 12 years early is now helping scientists develop test

What if the body whispered its secrets long before the symptoms shouted? What if illness had a scent—and someone was brave enough to notice it? This is the remarkable story of Joy Milne, a woman whose life took an unexpected turn when she noticed a subtle, musky change in her husband’s smell. It wasn’t perfume or cologne—it was something deeper. Something no one else could sense. Something that, as it turns out, science had yet to understand.
Years later, that scent would become a clue—a thread leading researchers to a breakthrough in the early detection of Parkinson’s disease. But before the labs, the tests, the headlines—there was just one woman, paying close attention to the man she loved.
In 2015, a woman named Joy Milne claimed she could smell Parkinson's disease. She first noticed the smell after her husband’s musk changed.
— Morbid Knowledge (@Morbidful) March 17, 2024
After her husband was diagnosed with the disease, the pair attended a support group for individuals with Parkinson’s.
During the first… pic.twitter.com/kW7i2NYfLZ
The Hidden Language of Scent: How Joy Milne Detected Parkinson’s Before Science Could
Sometimes, the earliest warnings of illness don’t come from machines or scans—but from our own senses. For Joy Milne, a retired nurse from Scotland, it was her extraordinary sense of smell that first revealed something was wrong. Long before her husband Les received his Parkinson’s diagnosis, she began to notice a subtle, musky odor emanating from him—an odor she had never associated with him before.
This was in 1982. Les was just shy of 32 years old, and seemingly healthy. Joy, who had been with him since they were teenagers, noticed the change immediately—but at the time, the idea that scent could reveal neurological disease was unthinkable. She attributed it to his work in hospital operating theatres or perhaps a need for better hygiene—causing friction between them. What neither of them realized then was that her nose had picked up a chemical change in his body years before the disease would become clinically visible.
Parkinson’s disease, a progressive disorder affecting movement and motor control, typically creeps in slowly—often masked as mood swings, stiffness, or fatigue. It damages parts of the brain over time, making early detection crucial yet incredibly difficult. Today, diagnosis still relies largely on physical symptoms and clinical assessments. There is no routine blood test, brain scan, or genetic marker that can definitively identify it in its earliest stages.
Joy’s unusual ability—being able to detect Parkinson’s by smell—might have remained a personal anecdote if not for what happened years later. After Les was officially diagnosed, the couple began attending support groups. That’s when Joy recognized that same unique odor coming from others in the room. It wasn’t a coincidence. It was a pattern.
A woman who can smell Parkinson’s disease is using her hyperosmia — an enhanced sense of smell — to help diagnose the degenerative disease early as part of a study funded by the Michael J. Fox Foundation.https://t.co/60ehqkV0nO via @people
— BirdieBittern (@BirdieBittern) March 30, 2025
From Intuition to Innovation: Turning a Personal Gift into Scientific Discovery
Joy Milne’s ability didn’t just remain a marvel within her family or social circle—it sparked the curiosity of scientists determined to understand what her nose was detecting. Could there really be a biological marker of Parkinson’s in body odor? If so, what exactly was causing it?
After Les’s diagnosis, Joy began working with researchers to investigate her observations. Her contributions were more than anecdotal; they were testable. Scientists designed controlled studies in which Joy was asked to smell T-shirts worn by people both with and without Parkinson’s. In blind tests, she consistently identified the individuals with the disease—even in cases where Parkinson’s had not yet been formally diagnosed. That was the first clear indication that what she sensed had a biochemical basis.
The scientific community responded. Researchers at the University of Manchester, led by Professor Perdita Barran, took Joy’s reports seriously and began studying sebum—the oily substance produced by our skin—which can reflect changes in the body’s metabolism. Sebum is rich with chemical compounds, and the team hypothesized that Parkinson’s might alter its composition in a detectable way.
Through mass spectrometry, they analyzed skin swabs from people with Parkinson’s and compared them to those without. The results were striking. They found thousands of unique compounds in the sebum, and more importantly, identified 500 compounds that were significantly different in those with the disease. This was the breakthrough: Parkinson’s disease had a molecular scent signature, and Joy had been detecting it years ahead of science.
The next step was translating this discovery into practical tools. The Manchester researchers developed a prototype diagnostic skin swab that could potentially detect Parkinson’s with 95% accuracy under lab conditions. Their goal: to move testing from the lab into hospital settings, making early detection a possibility for thousands of patients.
Rethinking Diagnosis: The Future of Scent and Early Disease Detection
Joy Milne’s story doesn’t just highlight a one-in-a-million gift—it challenges the entire paradigm of how we detect disease. Her ability to smell Parkinson’s years before traditional medicine could identify it has opened the door to a future where early diagnosis may not depend solely on symptoms or scans, but on subtle chemical signals our bodies emit every day.
The science behind this shift lies in what researchers call “volatile organic compounds”—tiny molecules released by the body that can signal changes in health long before outward symptoms appear. These compounds are present in breath, sweat, saliva, and sebum, and they’re being increasingly studied as potential biomarkers for a range of conditions—from cancer to infectious diseases.
The Parkinson’s skin swab test developed with Joy’s help is a powerful example of how we might use these natural signals. It’s non-invasive, relatively inexpensive, and could one day be implemented in routine checkups. Imagine a world where doctors could detect degenerative diseases like Parkinson’s a decade before symptoms manifest—giving patients more time to prepare, seek treatment, and slow progression.
This isn’t just theory. Researchers around the world are now expanding this line of work. In the UK, teams are collaborating to bring the Parkinson’s swab test into clinical environments within the next two years. And beyond Parkinson’s, other projects are exploring how dogs trained to detect cancer by smell—or machines equipped with “electronic noses”—might one day revolutionize diagnostic medicine.
But these advances also come with a crucial reminder: human observation still has a vital place in modern medicine. For all the technology at our fingertips, it was Joy’s attention to her husband’s scent that lit the path forward. Her intuition, combined with rigorous science, could soon change how we approach diagnosis not just for Parkinson’s, but for countless other illnesses.
The Cost of Time: What a Late Diagnosis Stole—and What an Early One Could Save
For Joy Milne, the science is personal. While the world hails her as a pioneer, her journey is rooted in loss. Her husband Les passed away in 2015 at the age of 65, after years of living with Parkinson’s. Though his diagnosis came too late to prevent the disease’s progression, it did not come too late for Joy to fight for others. Still, she often wonders: what if she had been believed earlier? What if that musky scent had triggered medical curiosity, not confusion?
“We would have spent more time with family,” she reflected. “We would have travelled more. If we had known earlier, it might have explained the mood swings and depression.” Parkinson’s is not just a disease of the body—it affects relationships, mental health, and the very rhythm of daily life. Symptoms like tremors, muscle rigidity, and slowed movement often develop gradually, masking themselves as aging or stress. By the time a diagnosis is confirmed, critical years—when lifestyle changes, medication, and mental health support might have made a difference—are often lost.
The consequences ripple outward. Families are left scrambling to adjust. Patients feel robbed of understanding and agency. And while modern medicine can manage symptoms, it still cannot cure or significantly delay the disease once it takes hold.
This is why Joy’s work matters so deeply. Early detection isn’t just about lab results—it’s about dignity. It’s about giving people the information they need to make choices while they still can. It’s about rewriting the script from reactive treatment to proactive care. In honoring Les’s memory, Joy has made his suffering a catalyst for hope. Her story is a reminder that behind every medical advancement are human lives—relationships, regrets, dreams interrupted. And in that space between science and humanity, the real work of healing begins.
Trust the Senses, Honor the Signs: A Call to Listen, Learn, and Lead
Joy Milne’s story isn’t just about an extraordinary sense of smell. It’s about paying attention—to our bodies, to each other, and to the subtle signs that too often go ignored. It’s about how deep listening, when paired with open-minded science, can unlock breakthroughs that change lives.
Too often, early warning signs—whether emotional shifts, physical sensations, or even something as intangible as a change in scent—are dismissed, rationalized, or silenced. Joy refused to ignore what she sensed, even when no one else could detect it. And because she trusted her intuition and stayed committed to her truth, thousands may now have the chance to detect Parkinson’s before it quietly takes hold.
This isn’t just a lesson in medical innovation—it’s a lesson in presence. In your life, in your relationships, what are you overlooking? What might your body—or someone you love—be trying to say, long before words can form or a diagnosis is named?
We are living in an age of extraordinary technology, yet some of the most profound tools remain the oldest: our attention, our instincts, our ability to connect the dots others can’t yet see. The future of healthcare may lie not just in machines, but in humans willing to observe with care, to speak up with courage, and to act with compassion.
So here’s the invitation: be like Joy. Pay attention. Ask questions. Trust what you notice. And when the time comes—because it always does—choose to be the voice that speaks, the one that smells the change, the one that makes the difference.
Featured Image via https://x.com/Bio_comunidad