Skin odour could lead to early diagnosis of Parkinson’s

A study has been launched to identify small molecules secreted by the skin that are believed to emit a subtle but unique scent in people in the early stages of Parkinson's. Researchers believe that Parkinson's may affect a change in the sebum - an oily substance in the skin - of people with the condition that results in a unique and subtle odour on the skin only detectable by people with an acute sense of smell. This study was prompted by a "super-smeller” from Scotland1 who was able to identify people with Parkinson's just from t-shirts they had slept in. The charity Parkinson's UK is now funding researchers at Manchester, Edinburgh and London to study around 200 people with and without Parkinson's. They hope to confirm findings from a pilot study by the Universities of Manchester and Edinburgh involving 24 people, which suggested that Parkinson's can be identified by odour alone. One in 500 people in the UK have Parkinson's - which can leave people struggling to walk, speak and sleep - and has no cure or definitive diagnostic test. 127,000 people in the UK live with the condition and 7.5 million worldwide.