Parkinson's disease

Eight questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.

Got the NHS facts right
11 of 12 answers
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Cited NHS or accredited sources
15 of 20 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources

The questions

Question
The NHS says
AI Overviews
AI Mode
ChatGPT
Is there a test that can prove I have Parkinson's disease?
No single test
Google AI Overviews Matches the NHS
The NHS says no single test confirms
Google AI Mode Matches the NHS
The NHS says no single test confirms
ChatGPT (logged out) Matches the NHS
The NHS says no single test confirms
What number can I call for the Parkinson's UK helpline?
0808 800 0303
–
Google AI Mode Yes
The NHS says parkinson's UK: 0808 800 0303
ChatGPT (logged out) Yes
The NHS says parkinson's UK: 0808 800 0303
Is there a cure for Parkinson's disease?
No cure
Google AI Overviews Matches the NHS
The NHS says no cure, but treatments help
Google AI Mode Matches the NHS
The NHS says no cure, but treatments help
ChatGPT (logged out) Matches the NHS
The NHS says no cure, but treatments help
Will Parkinson's shorten my life expectancy?
Normal or near
●Didn’t say on AI Overviews Google AI Overviews Does not say
The NHS says normal or near-normal life expectancy
Google AI Mode Matches the NHS
The NHS says normal or near-normal life expectancy
ChatGPT (logged out) Matches the NHS
The NHS says normal or near-normal life expectancy
Can antipsychotic medication cause Parkinson's-like symptoms and do they go away?
Usually improves when stopped
Google AI Overviews Matches the NHS
The NHS says usually improves when stopped
Google AI Mode Matches the NHS
The NHS says usually improves when stopped
ChatGPT (logged out) Matches the NHS
The NHS says usually improves when stopped
Is Parkinson's disease usually inherited from your parents?
No single NHS line
Google AI Overviews Unconfirmed The first check found no UK source. The second check disagreed, so it isn’t counted.
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what causes the parkinson's disease
No single NHS line
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can parkinson's disease kill you
No single NHS line
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Matches the NHS Unconfirmed
UK charities for parkinson's disease MoneyHelperParkinson’s UK