Geraldine was diagnosed in 1990. She was a single parent with three teenage children. She never-less succeeded in holding increasingly demanding executive jobs in the voluntary sector and was finally chief executive of the Charities Commission before retiring recently. And she is still working on many projects and committees.

• Parkinson's disease - 12+ years since diagnosis

Although Rafa was diagnosed with Parkinson's disease 18 months ago he has not had to take any anti-PD medication and so far his symptoms have not progressed and do not cause him much inconvenience.

• Parkinson's disease - 0-2 years since diagnosis

Ruth was diagnosed 9 years ago. She has tremor, stiffness, difficulty sleeping and tiredness. She has to pace herself. Some days are easier to cope with than others.

• Parkinson's disease - 8-12 years since diagnosis

Andrew was diagnosed with PD 19 years ago. He has had the Deep Brain Stimulation operation twice. His symptoms are moderately well controlled.

• Parkinson's disease - DBS

Alun was diagnosed nine years ago. Physically, his mobility is most affected now. He has experienced obsessive compulsive disorder from the medication he has taken.

• Parkinson's disease - 8-12 years since diagnosis

Diagnosed 4 years ago, Nicolas now takes a low dose of Mirapexin. He works full time. He experiences stiffness, tiredness and difficulties with walking and handwriting.

• Parkinson's disease - 3-4 years since diagnosis

Bob was 51 when he was diagnosed. He has tremor in his right hand and is slower at doing things. He continues to work full time.

• Parkinson's disease - 5-7 years since diagnosis

Diagnosed 13 years ago, Neil has had GDNF and deep brain stimulation which improved his symptoms. Now he has stiffness, slow walking, and sometimes his speech is affected.

• Parkinson's disease - DBS

Although having Parkinson's meant that Judie had to give up work, she has found herself doing all sorts of adventurous things she might never have done otherwise.

Diagnosed three years ago, Ann has tremor in her right hand. The first year after diagnosis was very difficult, but since taking Mirapexin, she feels more able to cope.

• Parkinson's disease - 3-4 years since diagnosis