An artificial nose may be able to detect Parkinson’s disease early

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An artificial nose may be able to detect Parkinson’s disease early
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  • 📰 TheEconomist
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The inspiration came from the strange case of a retired nurse

Save time by listening to our audio articles as you multitaskUnfortunately, the initial signs of Parkinson’s vary from person to person and there is no specific test at this early stage which can reliably distinguish it from other brain illnesses. It therefore often goes undetected until clear and characteristic manifestations, such as tremors and slowed body movement, appear. But that may soon change.

Carting Mrs Milne around the world to sniff patients who may have Parkinson’s is, however, not a practical option, so researchers working with her looked for the odour’s source, with a view to detecting it in some other way. They found it in sebum, an oily secretion produced by the skin. The sebum of those with Parkinson’s, they discovered, has unusually high concentrations of certain volatile organic compounds, including dodecane, acetone and ethyl acetate.

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