This is the best summary I could come up with:

She simply had no idea she possessed an utterly amazing, slightly terrifying biological gift that scientists would itch to study.

But then several months later, Kunath heard about research that showed dogs could smell cancer — which of course made him think back to Joy.

Researchers, including Perdita Barran at the University of Manchester, led a second, larger study and have recently found 10 compounds linked to Parkinson’s by using mass spectrometry and other techniques to analyze samples from 274 people.

There’s some evidence — and history — around the idea of scent signaling the presence of a disease, says Richard Doty, the director of the Smell and Taste Center at the University of Pennsylvania’s Perelman School of Medicine.

“This idea of an olfactory biomarker [for a disease] is fascinating,” said Dr. Thomas Hummel of the Technical University of Dresden’s Smell & Taste Clinic, via email.

But Joy’s superpower is so unusual that researchers all over the world have started working with her and have discovered that she can identify several kinds of illnesses — tuberculosis, Alzheimer’s disease, cancer and diabetes.

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