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Trained dogs successfully detected Parkinson's disease through scent analysis of human skin swabs with 80% sensitivity and 98% specificity in a double-blind study. This non-invasive method, surpassing current diagnostic tools, could lead to earlier and cheaper Parkinson's detection. The dogs identified a change in sebum, an oily substance produced by the skin, which alters in the presence of the disease. This discovery offers a potential breakthrough for early diagnosis, enabling timely treatment and potentially slowing disease progression.

Prepared by Olivia Bennett and reviewed by editorial team.