Neurofibromatosis (NF1 and NF2)
Five questions about neurofibromatosis (NF1 and NF2), asked in November 2026.
Got the NHS facts right
10 of 12 answers
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Got the NHS facts rightNovember 2026
AI Overviews
2 of 4
AI Mode
4 of 4
ChatGPT
4 of 4
Cited NHS or accredited sources
5 of 15 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sourcesNovember 2026
AI Overviews
1 of 5
AI Mode
1 of 5
ChatGPT
3 of 5
The questions
Question
The NHS says
AI Overviews
AI Mode
ChatGPT
How often should women with NF1 have a mammogram and from what age?
Yearly from age 40
●Different on AI Overviews
Google AI Overviews
Contradicts the NHS
The NHS says mammogram every year from age 40England
The NHS says mammogram every year from age 40England
Google AI Mode
Matches the NHS
The NHS says mammogram every year from age 40England
The NHS says mammogram every year from age 40England
ChatGPT
Matches the NHS
The NHS says mammogram every year from age 40England
The NHS says mammogram every year from age 40England
How often should my child with NF1 have their eyes checked?
Eye checks every year, adults every 2 years
●Different on AI Overviews
Google AI Overviews
Contradicts the NHS
The NHS says eye checks every year, adults every 2 years
The NHS says eye checks every year, adults every 2 years
Google AI Mode
Matches the NHS
The NHS says eye checks every year, adults every 2 years
The NHS says eye checks every year, adults every 2 years
ChatGPT
Matches the NHS
The NHS says eye checks every year, adults every 2 years
The NHS says eye checks every year, adults every 2 years
If I have NF1, what are the chances of passing it on to my children?
1 in 2 (50%)
Google AI Overviews
Matches the NHS
The NHS says 1 in 2 (50%) chance per child
The NHS says 1 in 2 (50%) chance per child
Google AI Mode
Matches the NHS
The NHS says 1 in 2 (50%) chance per child
The NHS says 1 in 2 (50%) chance per child
ChatGPT
Matches the NHS
The NHS says 1 in 2 (50%) chance per child
The NHS says 1 in 2 (50%) chance per child
Matches the NHS
Differs from the NHSUnconfirmed
Where the answers came from
Where the answers came from
Johns Hopkins Medicine2
It Would Stink to Have Neurofibromatosis1
University of Alabama at Birmingham1 TrakGene1
Children’s Tumor Foundation1 Incite Fulmed1 Where the answers came from
University of Alabama at Birmingham1 UK Cancer Genetics Group (UKCGG)1 ERN GENTURIS1
European Society of Cataract and Refractive Surgeons (ESCRS)1
Rare Disease Advisor1
PubMed Central1