Thyroid (underactive)

Three questions about thyroid (underactive), asked in November 2026.

Led with the right place

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Led with the right place

0 of 1

Led with the right place

0 of 1

Led with the right place

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Led with the right placeNovember 2026

AI Overviews 0 of 1

AI Mode 0 of 1

ChatGPT 0 of 1

Got the NHS facts right

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Got the NHS facts right

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Got the NHS facts right

2 of 2

Got the NHS facts right

2 of 2

Got the NHS facts rightNovember 2026

AI Overviews 2 of 2

AI Mode 2 of 2

ChatGPT 2 of 2

Cited NHS or accredited sources

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Cited NHS or accredited sources

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Cited NHS or accredited sources

2 of 3

Cited NHS or accredited sources

2 of 2

Cited NHS or accredited sourcesNovember 2026

AI Overviews 2 of 3

AI Mode 2 of 3

ChatGPT 2 of 2

The questions

All 3 Should I worry?Understanding it

Question

The NHS says

AI Overviews

AI Mode

ChatGPT

always tired, gaining weight and feeling cold all the time, could it be an underactive thyroid?

See a GP

●Not up front on AI Overviews Google AI Overviews Right place, not up front

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The NHS says see a GP

●Not up front on AI Mode Google AI Mode Right place, not up front

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The NHS says see a GP

●Not up front on ChatGPT ChatGPT Right place, not up front

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The NHS says see a GP

which blood tests diagnose an underactive thyroid

TSH and T4

Google AI Overviews Matches the NHS

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The NHS says TSH and thyroxine levels

Google AI Mode Matches the NHS

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The NHS says TSH and thyroxine levels

ChatGPT Matches the NHS

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The NHS says TSH and thyroxine levels

I missed my levothyroxine dose and it's nearly time for the next one. Should I take two together?

Never take 2 doses

Google AI Overviews Matches the NHS

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The NHS says never take 2 doses together

Google AI Mode Matches the NHS

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The NHS says never take 2 doses together

ChatGPT Matches the NHS

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The NHS says never take 2 doses together

Matches the NHS Not up front

Where the answers came from

Answers, of 8 with sources

NHS websiteNHS6

JAMA NetworkUS health website2 Mayo ClinicUS hospital2 Health Service ExecutiveIrish government2

Blue Horizon Blood TestsUK health company1

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

Where the answers came from

Answers, of 3 with sources

NHS websiteNHS2

JAMA NetworkUS health website2

Blue Horizon Blood TestsUK health company1

National Institute of Diabetes and Digestive and Kidney DiseasesUS government1

PPillzyUnknown1

Apollo 247Indian health website1

Where the answers came from

Answers, of 3 with sources

NHS websiteNHS2

Mayo ClinicUS hospital2 BBritish Thyroid FoundationUK charity1

Where the answers came from

Answers, of 2 with sources

NHS websiteNHS2

Health Service ExecutiveIrish government2 National Institute for Health and Care Excellence (NICE)UK government1