High cholesterol

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

Led with the right place

3 of 3

Led with the right place

1 of 1

Led with the right place

1 of 1

Led with the right place

1 of 1

Led with the right placeNovember 2026

AI Overviews 1 of 1

AI Mode 1 of 1

ChatGPT 1 of 1

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

Got the NHS facts right

95%

20 of 21 answers

1 unconfirmed

Got the NHS facts right

7 of 7

Got the NHS facts right

7 of 7

Got the NHS facts right

6 of 7

1 unconfirmed

Got the NHS facts rightNovember 2026

AI Overviews 7 of 7

AI Mode 7 of 7

ChatGPT 6 of 7

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

Cited NHS or accredited sources

80%

16 of 20 answers with sources

3 other UK only1 nothing from the UK

Cited NHS or accredited sources

6 of 8

1 other UK only1 nothing from the UK

Cited NHS or accredited sources

7 of 8

1 other UK only

Cited NHS or accredited sources

3 of 4

1 other UK only

Cited NHS or accredited sourcesNovember 2026

AI Overviews 6 of 8

AI Mode 7 of 8

ChatGPT 3 of 4

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

The questions

All 8 Should I worry?What do I do?Understanding it

Question

The NHS says

AI Overviews

AI Mode

ChatGPT

I'm overweight with high blood pressure and high cholesterol. Do I need to see my doctor about my weight?

See a GP

Google AI Overviews Led with the right place

---

The NHS says see a GP

Google AI Mode Led with the right place

---

The NHS says see a GP

ChatGPT (logged out) Led with the right place

---

The NHS says see a GP

What should my total cholesterol level be?

Below 5mmol/L

Google AI Overviews Matches the NHS

---

The NHS says below 5mmol/L

Google AI Mode Matches the NHS

---

The NHS says below 5mmol/L

ChatGPT (logged out) Matches the NHS

---

The NHS says below 5mmol/L

I'm over 40 and never had a cholesterol test. Can I ask my GP for one?

Ask GP if over 40

Google AI Overviews Matches the NHS

---

The NHS says cholesterol test if over 40

Google AI Mode Matches the NHS

---

The NHS says cholesterol test if over 40

ChatGPT (logged out) Matches the NHS

---

The NHS says cholesterol test if over 40

How much exercise a week do I need to lower my cholesterol?

150 minutes a week

Google AI Overviews Matches the NHS

---

The NHS says 150 minutes moderate exercise weekly

Google AI Mode Matches the NHS

---

The NHS says 150 minutes moderate exercise weekly

ChatGPT (logged out) Matches the NHS

---

The NHS says 150 minutes moderate exercise weekly

Can I drink grapefruit juice while taking simvastatin?

Avoid grapefruit juice with simvastatin

Google AI Overviews Matches the NHS

---

The NHS says avoid grapefruit juice with simvastatin

Google AI Mode Matches the NHS

---

The NHS says avoid grapefruit juice with simvastatin

ChatGPT (logged out) Matches the NHS

---

The NHS says avoid grapefruit juice with simvastatin

Do I have to take statins for life if I have high cholesterol?

For life, daily

Google AI Overviews Matches the NHS

---

The NHS says usually lifelong, one a day

Google AI Mode Matches the NHS

---

The NHS says usually lifelong, one a day

ChatGPT (logged out) Matches the NHS

---

The NHS says usually lifelong, one a day

Does high cholesterol cause symptoms or do I need a blood test to know?

Blood test only

Google AI Overviews Matches the NHS

---

The NHS says usually no symptoms, needs blood test

Google AI Mode Matches the NHS

---

The NHS says usually no symptoms, needs blood test

ChatGPT (logged out) Matches the NHS

---

The NHS says usually no symptoms, needs blood test

What should I do if I forget to take my atorvastatin tablet one day?

Skip missed dose

Google AI Overviews Matches the NHS

---

The NHS says skip missed dose

Google AI Mode Matches the NHS

---

The NHS says skip missed dose

ChatGPT (logged out) Unconfirmed The first check found different: Contradicts the NHS. The NHS says: Skip missed dose. The second check disagreed, so it isn’t counted.

Matches the NHS Unconfirmed

Where the answers came from

Answers, of 20 with sources

NHS websiteNHS15

British Heart FoundationUK charity on the PIF TICK list4 HealthlineUS health website3 Heart UKUK charity2 YouTubeVideo2 National Institute for Health and Care Excellence (NICE)UK government2

Where the answers came from

Answers, of 8 with sources

NHS websiteNHS5

British Heart FoundationUK charity on the PIF TICK list4 HealthlineUS health website3 YouTubeVideo2 FacebookForum or social media2 Private Blood Tests LondonUK health company1

Where the answers came from

Answers, of 8 with sources

NHS websiteNHS7

National Institute for Health and Care Excellence (NICE)UK government1 The BMJUK professional body1 PPabauUK health company1 SSetmoreUS website1

Where the answers came from

Answers, of 4 with sources

NHS websiteNHS3

Heart UKUK charity1 National Institute for Health and Care Excellence (NICE)UK government1

UK charities for high cholesterol Heart UK