Professor Perdita Barran (Technical Director of Bio-Shape) is close to establishing what causes a smell associated with sufferers of Parkinson’s disease.

she hopes it could lead to the first diagnostic test for the disease.

The breakthrough came after Joy Milne astonished doctors with her ability to detect the disease through smell under scientific conditions.

A team from Perdita Barran’s group in Manchester has found distinctive molecules that seem to be concentrated on the skin of Parkinson’s patients.

One in 500 people in the UK has Parkinson’s – that is 127,000 across Britain.