Early signs of Parkinson’s disease could be spotted in the nose

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A man's nose

Misfolded proteins that lead to Parkinson’s disease may start in the nose

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Signs of Parkinson’s disease could be detected in the nose years before people develop more obvious symptoms of the condition.

The finding could lead to the development of a nasal swab test for the disorder, similar to ones used for coronavirus testing, and may shed light on its causes, says Werner Poewe at the Medical University of Innsbruck in Austria.

Parkinson’s disease is a condition involving tremors and difficulties in moving that usually starts in later life. It is caused by the death of brain …

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