February 2018 PMID 29422493

Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case- Control Study.

Zohreh Kheradpisheh, Masoud Mirzaei, Amir Hossein Mahvi, Mehdi Mokhtari, Reyhane Azizi, Hossein Fallahzadeh, Mohammad Hassan Ehrampoush

Mentions

67
Peak: 2 in Oct 2021
across 6 sources since May 2020

Extended reach

41,029
potential audience

Total likes

43

Video views

1,487

Mentions per month

May 2020 – Jan 2025

Where it's discussed

  • Facebook41 posts
  • X / Twitter10 posts
  • News9 articles
  • Reddit3 posts
  • YouTube2 videos
  • Blogs2 articles

AI synopsis

What people are saying

Many discussions reference the study's findings about fluoride's influence on thyroid hormones, such as mentions of increased TSH levels and impaired thyroid function at standard fluoride concentrations, which highlight the perceived relevance and potential health impact. The tone varies from supportive to skeptical, with some commenters calling for action based on the study's implications, illustrating a moderate but meaningful level of concern and engagement.

AgreementModerate agreement

Most discussions align with the findings, emphasizing fluoride's impact on thyroid health, though some comments challenge or seek clarification about the significance of the results.

InterestModerate interest

Participants show moderate interest, engaging with the topic through references to related studies, debates about fluoride safety, and mentioning regulatory contexts.

EngagementModerate engagement

The conversations include citations of specific research, critique of methodology, and expressions of concern, indicating a thoughtful level of engagement.

ImpactModerate impact

The discourse suggests the publication could influence public health opinions and policies, especially considering references to fluoride levels and regulatory thresholds.

Abstract in brief

  • The study found that fluoride levels in drinking water can significantly affect thyroid hormones (T3, T4, and TSH), even at concentrations below 0.5 mg/L.
  • Factors such as gender, family history of thyroid disease, exercise, diabetes, hypertension, and water consumption are also linked to hypothyroidism, with fluoride exposure being one of the influencing factors.
  • The researchers recommend using household water purification devices to reduce fluoride intake and potentially prevent hypothyroidism related to water fluoride levels.]

Top posts

Most liked on X and Bluesky
Georgi D.
@haidut · X

@BeyondReason12 I have. It doesn't negate the myriad of studies showing fluoride exposure even at levels below what is found in fluoridated tap water is neurotoxic, thyrotoxic and...carcinogenic! https://t.co/nGncfOhXlc https://t.co/4eyoBTH1cZ https://t.co/sn4k3TJopO https://t.co/RlWPPvFBwU

Aug 25, 2024 · 9 likes · 1 share · 31,419 followers View post →
Declan Waugh
@DeclanWaugh · X

https://t.co/uIJqNj4ffu

Dec 7, 2020 · 2 likes · 1 share · 1,359 followers View post →
PFPC - The Fluoride Education Project
@PFPC10 · X

@OpenParachute @RetiredDent @MSchleinich @AHS_media @YorkUHealth @JulietGuichon @DrLimeback @CAPE_ACME @APTNNews @CBCEyeopener Kheradpisheh et al. - "Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case-Control Study" Scientific Reports Volume 8:2674 (2018) Table 2 shows TSH levels being increased to levels above guidelines set for first trimester (2.5 mIU/l) by fluoride at 0.3-0.5 ppm. https://t.co/hNOsF4vtcR

Oct 27, 2021 · 2 likes · 1 share · 163 followers View post →
Jackie
@MIMissJackie · X

RT @haidut: @BeyondReason12 I have. It doesn't negate the myriad of studies showing fluoride exposure even at levels below what is found in…

Aug 25, 2024 · 1 share · 3,029 followers View post →
Brianne
@Brianne14437909 · X

RT @DeclanWaugh: https://t.co/uIJqNj4ffu

Jan 5, 2021 · 1 share · 2,847 followers View post →
Lorelle Hatcher
@LorelleHatcher · X

Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case- Control Study https://t.co/TuJX5ami0W "... cases tend to have ... greater impairment of thyroid function ... with higher fluoride concentrations in the water. ... even in the standard concentration ..."

Mar 8, 2024 · 374 followers View post →

All mentions

Fluoride Free Great Britain and Ireland
@Terence28387564 · X

Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case-Control Study | Scientific Reports https://t.co/4rRLH6nItM

Jan 5, 2025 View post →
Jackie
@MIMissJackie · X

RT @haidut: @BeyondReason12 I have. It doesn't negate the myriad of studies showing fluoride exposure even at levels below what is found in…

Aug 25, 2024 · 1 share · 3,029 followers View post →
Georgi D.
@haidut · X

@BeyondReason12 I have. It doesn't negate the myriad of studies showing fluoride exposure even at levels below what is found in fluoridated tap water is neurotoxic, thyrotoxic and...carcinogenic! https://t.co/nGncfOhXlc https://t.co/4eyoBTH1cZ https://t.co/sn4k3TJopO https://t.co/RlWPPvFBwU

Aug 25, 2024 · 9 likes · 1 share · 31,419 followers View post →
Lorelle Hatcher
@LorelleHatcher · X

Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case- Control Study https://t.co/TuJX5ami0W "... cases tend to have ... greater impairment of thyroid function ... with higher fluoride concentrations in the water. ... even in the standard concentration ..."

Mar 8, 2024 · 374 followers View post →
Hans Dreef
@hdreef · X

@DrZemouri Wat een deskundige! Misschien een cursus spellen volgen. Sinds 1976 wordt er geen fluor meer toegevoegd aan het Nederlandse kraanwater. Een van de laatste onderzoek naar hypothyreoïdie en fluoride is hier te vinden. https://t.co/Pk6VL58vri

Jun 21, 2022 · 68 followers View post →
Paul Melters
@PaulMelters · X

RT @PFPC10: @OpenParachute @RetiredDent @MSchleinich @AHS_media @YorkUHealth @JulietGuichon @DrLimeback @CAPE_ACME @APTNNews @CBCEyeopener…

Oct 27, 2021 · 1 share · 20 followers View post →
PFPC - The Fluoride Education Project
@PFPC10 · X

@OpenParachute @RetiredDent @MSchleinich @AHS_media @YorkUHealth @JulietGuichon @DrLimeback @CAPE_ACME @APTNNews @CBCEyeopener Kheradpisheh et al. - "Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case-Control Study" Scientific Reports Volume 8:2674 (2018) Table 2 shows TSH levels being increased to levels above guidelines set for first trimester (2.5 mIU/l) by fluoride at 0.3-0.5 ppm. https://t.co/hNOsF4vtcR

Oct 27, 2021 · 2 likes · 1 share · 163 followers View post →
Brianne
@Brianne14437909 · X

RT @DeclanWaugh: https://t.co/uIJqNj4ffu

Jan 5, 2021 · 1 share · 2,847 followers View post →
Declan Waugh
@DeclanWaugh · X

https://t.co/uIJqNj4ffu

Dec 7, 2020 · 2 likes · 1 share · 1,359 followers View post →
ENDALA klinika zdraví
@endalaclinic · X

Impact of Drinking Water Fluoride on Human Thyroid Hormones: A Case- Control Study https://t.co/Fbn726AwRR

May 22, 2020 · 252 followers View post →