Acromegaly (pituitary)

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

Got the NHS facts right

87%

13 of 15 answers

2 different

Got the NHS facts right

4 of 5

1 different

Got the NHS facts right

4 of 5

1 different

Got the NHS facts right

5 of 5

Got the NHS facts rightNovember 2026

AI Overviews 4 of 5

AI Mode 4 of 5

ChatGPT 5 of 5

History starts when there is a second month to compare. November 2026 is the first.

Cited NHS or accredited sources

58%

7 of 12 answers with sources

5 nothing from the UK

Cited NHS or accredited sources

4 of 5

1 nothing from the UK

Cited NHS or accredited sources

1 of 5

4 nothing from the UK

Cited NHS or accredited sources

2 of 2

Cited NHS or accredited sourcesNovember 2026

AI Overviews 4 of 5

AI Mode 1 of 5

ChatGPT 2 of 2

History starts when there is a second month to compare. November 2026 is the first.

The questions

All 5 Should I worry?Understanding it

Question

The NHS says

AI Overviews

AI Mode

ChatGPT

What tests will the doctor do to diagnose acromegaly?

Blood tests, MRI

Google AI Overviews Matches the NHS

---

The NHS says blood tests and MRI brain scan

Google AI Mode Matches the NHS

---

The NHS says blood tests and MRI brain scan

ChatGPT (logged out) Matches the NHS

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The NHS says blood tests and MRI brain scan

What age do people usually get acromegaly?

Ages 30 to 50

●Different on AI Overviews Google AI Overviews Contradicts the NHS

---

The NHS says usually between ages 30 and 50

●Different on AI Mode Google AI Mode Contradicts the NHS

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The NHS says usually between ages 30 and 50

ChatGPT (logged out) Matches the NHS

---

The NHS says usually between ages 30 and 50

Is acromegaly inherited from your parents?

Not usually inherited

Google AI Overviews Matches the NHS

---

The NHS says not usually inherited

Google AI Mode Matches the NHS

---

The NHS says not usually inherited

ChatGPT (logged out) Matches the NHS

---

The NHS says not usually inherited

What causes acromegaly?

Pituitary adenoma

Google AI Overviews Matches the NHS

---

The NHS says usually non-cancerous pituitary tumour

Google AI Mode Matches the NHS

---

The NHS says usually non-cancerous pituitary tumour

ChatGPT (logged out) Matches the NHS

---

The NHS says usually non-cancerous pituitary tumour

I have acromegaly. Will I need regular checks for other health problems like bowel polyps?

Colonoscopy checks

Google AI Overviews Matches the NHS

---

The NHS says regular checks, colonoscopy for bowel polypsEngland

Google AI Mode Matches the NHS

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The NHS says regular checks, colonoscopy for bowel polypsEngland

ChatGPT (logged out) Matches the NHS

---

The NHS says regular checks, colonoscopy for bowel polypsEngland

Matches the NHS Differs from the NHS

Where the answers came from

Answers, of 12 with sources

NHS websiteNHS4

National Institute of Diabetes and Digestive and Kidney DiseasesUS government3 NCBI Bookshelf (US National Library of Medicine)US government3 Mayo ClinicUS hospital3 Pituitary FoundationUK charity on the PIF TICK list3 JAMA NetworkUS health website2

Where the answers came from

Answers, of 5 with sources

JAMA NetworkUS health website2 American Diabetes Association journalsUS health website2 National Institute of Diabetes and Digestive and Kidney DiseasesUS government2

BBarts EndocrinologyNHS2

NHS websiteNHS2

Pituitary FoundationUK charity on the PIF TICK list2

Where the answers came from

Answers, of 5 with sources

NCBI Bookshelf (US National Library of Medicine)US government2 Mayo ClinicUS hospital2 OOrphanetFrench website1

NHS websiteNHS1

PubMed CentralUS government1

Where the answers came from

Answers, of 2 with sources

Oxford AcademicUK, other2 National Institute of Diabetes and Digestive and Kidney DiseasesUS government1 Pituitary FoundationUK charity on the PIF TICK list1

NHS websiteNHS1

PubMed CentralUS government1

UK charities for acromegaly (pituitary) Pituitary Foundation