• There is currently no cure for Parkinson’s disease, nor are there specific tests for early diagnosis.
• A new study has identified a way to detect the condition before symptoms appear through the use of skin swabs via sebum and smell.
• The swabs could offer a noninvasive way to help diagnose Parkinson’s disease in people who have not yet developed symptoms.

Written by Corrie Pelc on July 21, 2025 — Fact checked by Jill Seladi-Schulman, Ph.D.

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