9 Shocking Dangers of Fluoride Exposure

by Dr. Edward Group DC, NP, DACBN, DCBCN, DABFM Published on , Last Updated on November 16, 2015


Exposure to fluoride is a contentious topic, mostly because exposure is everywhere. Not only is fluoride a common ingredient in toothpaste, many municipalities have a fluoridated water supply. Why? Well, the reason we’re given is that it encourages oral health… even though it’s not known to prevent harmful oral bacteria. [1] What is known is that fluoride is toxic. In fact, the number one reason for poison control calls concerning fluoride are for children who’ve eaten toothpaste. [2] [3] Long-term ingestion is harmful to the brain, digestive system, heart, bones… even the tooth enamel it’s supposed to help. [4] [5] [6] These next 9 shocking facts will make you take a second look at your exposure to fluoride.

1. Weakens Skeletal Health

Skeletal fluorosis is a condition resulting from fluoride consumption. The liver is unable to process fluoride, thus it passes into the bloodstream where it combines with calcium that’s been leeched from the skeletal system. You’re left with weak bones, otherwise known as skeletal fluorosis. The risk has been known about for decades yet it’s not been established how much exposure will trigger skeletal fluorosis… and the impact it has on quality of life is horrendous. [7] [8] [9] The best way to protect yourself is to avoid fluoride. Recently, Chinese authorities established a link between reductions in fluoride exposure and the incidence of fluorosis. [10]

2. Causes Arthritis

Fluoride has been shown to cause calcification of cartilage, the essential tissue for joint health. [11] Degenerative osteoarthritis has been linked to skeletal fluorosis. [12] And in a study of individuals suffering from fluorosis, osteoarthritis knee conditions occurred frequently. [13]

3. Toxic to the Thyroid

Iodine and fluoride belong to a family of compounds known as halogens. Although iodine is beneficial to the thyroid, fluoride is not. However, because of the similarities, the thyroid can absorb fluoride instead of iodine. This is bad. Fluoride is toxic to thyroid cells; it inhibits function and causes cell death. [14] For decades, fluoride was used to reduce thyroid function in individuals suffering from an overactive thyroid. [15] Now — and pay attention to this — the range used in water fluoridation matches the levels typically used to reduce thyroid function. [16]

4. Calcifies the Ultra-Important Pineal Gland

Although the full capabilities of the pineal gland have been the subject of debate for centuries, it’s known for certain that, at a minimum, the pineal gland regulates body rhythms and wake-sleep cycles; two extremely important functions. Fluoride is especially toxic to the pineal gland, where it accumulates and calcifies the gland. In fact, by the time the average person reaches old age, their pineal gland will have higher calcium density than their bones. [17]

5. Accelerates Female Puberty

It also deserves mention that the pineal gland plays an integral role in the onset of puberty. Research has shown that girls living in areas prone to more fluoride exposure experience puberty earlier than girls exposed to less. [18] Fluoride’s damaging effect on sexual function only begins here…

6. Harmful to Male and Female Fertility

A direct link exists between fertility rates and fluoridated drinking water. Higher levels of fluoride correspond to lower fertility rates, particularly with drinking water levels of 3 ppm. [19] Animal models show that fluoride reduces reproductive hormones in females. [20] Men have it just as bad; those suffering from fluorosis have lower testosterone and fertility than men with limited fluoride exposure. [21]

7. Bad for Kidney Health

Fluoride is toxic to the kidneys and a higher rate of chronic kidney disease has been reported in areas where the water contains high levels of fluoride. [22] [23] According to Chinese researchers, a fluoride level of 2 mg/L is all it takes to cause renal damage in children. [24] While water fluoridation levels are often much lower than this, the fluoride bombardment continues with toothpaste and other sources.

8. Harmful to the Cardiovascular System

Research suggests that exposure to fluoride causes cardiovascular inflammation and atherosclerosis. [25] [26] Other research has examined its effect on blood pressure but had mixed results. Regardless, despite that cardiovascular disease can have many causes, the evidence, and history show its incidence increases with exposure to fluoride.

9. Negative Cognitive Effects

The Fluoride Action Network reports that, as of May 2013, 43 studies have examined the effect of fluoride on human intelligence. The results should motivate anyone to minimize their fluoride exposure. One observation is that fluoride negatively impacts children’s neural development. [27] Another is that children living in highly fluoridated areas have up to five times greater chance of developing a low IQ compared to those who do not. [28]

Reducing Your Exposure to Fluoride

Using non-fluoride toothpaste can immediately reduce your fluoride exposure. Maintaining healthy iodine levels can help protect the thyroid from fluoride. Fluoridated water is the largest concern and most water filters are not adequate for removing fluoride; instead look to a reverse osmosis water purification systems.

If you want more information about the dangers of fluoride, check out the documentary, Fluoride: Poison on Tap. It covers the enormity of the fluoride situation and I was even fortunate enough to be a part of it.

Have you made efforts to reduce your exposure and minimize the dangers of fluoride? What tips do you have? Please leave a comment below and share with us.

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  1. Puciennik-Stronias M, Zarzycka B, Bo?tacz-Rzepkowska E. The effects of topical fluoridation of enamel on the growth of cariogenic bacteria contained in the dental plaque. Med Dosw Mikrobiol. 2013;65(2):129-32.
  2. Shulman JD, Wells LM. Acute fluoride toxicity from ingesting home-use dental products in children, birth to 6 years of age. J Public Health Dent. 1997 Summer;57(3):150-8.
  3. Whitford GM. Acute toxicity of ingested fluoride. Monogr Oral Sci. 2011;22:66-80. doi: 10.1159/000325146. Epub 2011 Jun 23.
  4. C. J. Spak, S. Sjöstedt, L. Eleborg, B. Veress, L. Perbeck, and J. Ekstrand. Tissue response of gastric mucosa after ingestion of fluoride. BMJ. 1989 June 24; 298(6689): 1686–1687.
  5. Sauerheber R. Physiologic conditions affect toxicity of ingested industrial fluoride. J Environ Public Health. 2013;2013:439490. doi: 10.1155/2013/439490. Epub 2013 Jun 6.
  6. Perumal E, Paul V, Govindarajan V, Panneerselvam L. A brief review on experimental fluorosis. Toxicol Lett. 2013 Nov 25;223(2):236-51. doi: 10.1016/j.toxlet.2013.09.005. Epub 2013 Sep 17.
  7. Czerwinski E, Nowak J, Dabrowska D, Skolarczyk A, Kita B, Ksiezyk M. Bone and joint pathology in fluoride-exposed workers. Arch Environ Health. 1988 Sep-Oct;43(5):340-3.
  8. Chachra D, Limeback H, Willett TL, Grynpas MD. The long-term effects of water fluoridation on the human skeleton. J Dent Res. 2010 Nov;89(11):1219-23. doi: 10.1177/0022034510376070. Epub 2010 Sep 21.
  9. Paiste M, Levine M, Bono JV. Total knee arthroplasty in a patient with skeletal fluorosis. Orthopedics. 2012 Nov;35(11):e1664-7. doi: 10.3928/01477447-20121023-29.
  10. Chen H, Yan M, Yang X, Chen Z, Wang G, Schmidt-Vogt D, Xu Y, Xu J. Spatial distribution and temporal variation of high fluoride contents in groundwater and prevalence of fluorosis in humans in Yuanmou County, Southwest China. J Hazard Mater. 2012 Oct 15;235-236:201-9. doi: 10.1016/j.jhazmat.2012.07.042. Epub 2012 Aug 8.
  11. Bang S, Boivin G, Gerster JC, Baud CA. Distribution of fluoride in calcified cartilage of a fluoride-treated osteoporotic patient. Bone. 1985;6(4):207-10.
  12. P. Roschger, P. Fratzl, S. Schreiber, G. Kalchhauser, H. Plenk, K. Koller, J. Eschberggrill, K. Klaushofer. Bone mineral structure after six years fluoride treatment investigated by backscattered electron imaging (BSEI) and small angle x-ray scattering (SAXS): a case report. Bone (Impact Factor: 3.82). 01/1995; 16(3):407-407. DOI:10.1016/8756-3282(95)90480-8.
  13. Savas S, Cetin M, Akdoan M, Heybeli N. Endemic fluorosis in Turkish patients: relationship with knee osteoarthritis. Rheumatology International. Rheumatol Int. 2001 Sep;21(1):30-5.
  14. Zeng Q, Cui YS, Zhang L, Fu G, Hou CC, Zhao L, Wang AG, Liu HL. Studies of fluoride on the thyroid cell apoptosis and mechanism. Zhonghua Yu Fang Yi Xue Za Zhi. 2012 Mar;46(3):233-6.
  15. Merck & Co. The Merck Index, 1968 Edition. Rahway NJ. USA. (last accessed (01-10-2014)
  16. FluorideAlert.org. Thyroid. (last accessed (01-10-2014)
  17. Luke J. Fluoride deposition in the aged human pineal gland. Caries Res. 2001 Mar-Apr;35(2):125-8.
  18. Luke J. The Effect of Fluoride on the Physiology of the Pineal Gland. Ph.D Dissertation, School of Biological Sciences, University of Surrey, UK. 1997.
  19. Freni SC. Exposure to high fluoride concentrations in drinking water is associated with decreased birth rates. J Toxicol Environ Health. 1994 May;42(1):109-21.
  20. Zhou Y, Qiu Y, He J, Chen X, Ding Y, Wang Y, Liu X. The toxicity mechanism of sodium fluoride on fertility in female rats. Food Chem Toxicol. 2013 Dec;62:566-72. doi: 10.1016/j.fct.2013.09.023. Epub 2013 Sep 23.
  21. Susheela AK, Jethanandani P. Circulating testosterone levels in skeletal fluorosis patients. J Toxicol Clin Toxicol. 1996;34(2):183-9.
  22. Chandrajith R, Nanayakkara S, Itai K, Aturaliya TN, Dissanayake CB, Abeysekera T, Harada K, Watanabe T, Koizumi A. Chronic kidney diseases of uncertain etiology (CKDue) in Sri Lanka: geographic distribution and environmental implications. Environ Geochem Health. 2011 Jun;33(3):267-78. doi: 10.1007/s10653-010-9339-1. Epub 2010 Sep 18.
  23. Chandrajith R, Dissanayake CB, Ariyarathna T, Herath HM, Padmasiri JP. Dose-dependent Na and Ca in fluoride-rich drinking water–another major cause of chronic renal failure in tropical arid regions. Sci Total Environ. 2011 Jan 15;409(4):671-5. doi: 10.1016/j.scitotenv.2010.10.046. Epub 2010 Nov 24.
  24. Liu JL, Xia T, Yu YY, Sun XZ, Zhu Q, He W, Zhang M, Wang A. [The dose-effect relationship of water fluoride levels and renal damage in children]. Wei Sheng Yan Jiu. 2005 May;34(3):287-8.
  25. Varol E, Varol S. Effect of fluoride toxicity on cardiovascular systems: role of oxidative stress. Arch Toxicol. 2012 Oct;86(10):1627. doi: 10.1007/s00204-012-0862-y. Epub 2012 May 10.
  26. Ma Y, Niu R, Sun Z, Wang J, Luo G, Zhang J, Wang J. Inflammatory responses induced by fluoride and arsenic at toxic concentration in rabbit aorta. Arch Toxicol. 2012 Jun;86(6):849-56. doi: 10.1007/s00204-012-0803-9. Epub 2012 Mar 16.
  27. Choi AL, Sun G, Zhang Y, Grandjean P. Developmental fluoride neurotoxicity: a systematic review and meta-analysis. Environ Health Perspect. 2012 Oct;120(10):1362-8. doi: 10.1289/ehp.1104912. Epub 2012 Jul 20.
  28. Tang QQ, Du J, Ma HH, Jiang SJ, Zhou XJ. Fluoride and children’s intelligence: a meta-analysis. Biol Trace Elem Res. 2008 Winter;126(1-3):115-20. doi: 10.1007/s12011-008-8204-x. Epub 2008 Aug 10.

Disclaimer: †Results may vary. Information and statements made are for education purposes and are not intended to replace the advice of your doctor. Global Healing Center does not dispense medical advice, prescribe, or diagnose illness. The views and nutritional advice expressed by Global Healing Center are not intended to be a substitute for conventional medical service. If you have a severe medical condition or health concern, see your physician.

  • Keep our children health

    Good heavens. What nonsense. Fluoride is part of the biosphere and has been since life on Earth began. Fluoride in groundwater is a nutrient with which we have evolved. There are lots of things that man has created that are deleterious to our health and well-being, but fluoride is not one of them. It has always been with us, fortunately for the strength of our teeth and bones, and always will be.

  • Jess Laratonda

    Mercury has also been part of the biosphere since life on Earth began. Do you feed that to your children also?

  • SC

    It is all a matter of degree – fluoride is present in our biosphere in small quantities, and so we have evolved not to notice its effects. mercury is a metal, and so we are not exposed to it on a day to day basis. Comparing fluoride to mercury is the epitome of ignorance in this circumstance.

  • sharkonwhisky

    It is a matter of degree AND form the fluoride is in.

  • Raven

    You are talking about calcium fluoride, which is still harmful in large amounts, rather then sodium fluoride, which is the industrial waste product that is banned in several countries and is added to American water supplies.

  • Chris

    Indeed, as one other poster had noted, all one has to do is to actually look at the process of how and from what Sodium Fluoride is derived from and then added to the water supply. It is no way similar to calcium fluoride found in nature, and comparing the two would be akin to comparing synthetic B vitamins(which are derived from petroleum) to the B vitamins naturally occurring in plants. It isn’t quite hard to grasp the deleterious effect that occurs, and Sodium Fluoride is extremely toxic and effects a variety of different organs simultaneously including the brain! At best, it was a ploy how to no properly dispose of toxic waste while a the same time not paying for it and dressing it up as a “benefit” to human society, at worst, a purposeful intoxicating of the human population to bring about disease and dumb people down. It shows a clear effect of lowering IQ’s in children and causing minor damage to developing brain!

    Perhaps instead of discounting everything as ridiculous paranoia, one should come to realize our government officials and regulation agencies are long forsaken and have failed to protect us, let alone literally sell us out in countless different ways. This is the reality of the situation, and it is but hidden beyond an extremely thin veil of lies.

  • Jess Laratonda

    I have a Berkey water filter that filters fluoride out of the water. We use it for everything including cooking vegetables. Thank you for this article. I have been getting skepticism from friends and family about avoiding fluoride. This article gives me more ammo in the intellectual battle that we all face when we have been brainwashed to beleive that fluoride is good to consume!

  • ghc_health

    Right on, thanks Jess.

    -Dr. Edward Group

  • Raven

    How do you know that it filters fluoride? Do ALL Berkey filters filter fluoride? Many filters say fluoride but do mention whether they filter everything else as well. Please help me with thus issue. Thanks.

  • Paul of Portugal

    Its a strange thing that people still trust our leaders and doctors . .aspartame,corn syrup,monosodium glutamate,TV cell phones MMR jab the list goes on no conclusive proof they harm you . . So its all ok then . . Is it?

  • FLoridaMom

    I just purchased IntraKid for my son for a whopping $70 and see that Fluoride is on the ingredient label, so I am really confused. I have not opened it yet or given it to him. I also noticed that there’s aluminum and barium? Dr. Group PLEASE help me understand why these things that I thought were toxic are in this product. :-(

  • ghc_health

    This is a question that comes up from time to time. What most people don’t realize is that these minerals, along with many other trace minerals, are absolutely essential for proper health. In fact, we cannot survive without them. The difference lies in the distinction between organic trace minerals and metallic minerals, as well as quantities. Trace elements are “essential” only when used in trace amounts. When used in excess they can become toxic. However, it is also important to understand that the consumption of plant derived mineral fulvic complexes, over a period of years, has shown that they will not build up in the body tissues as do metallic minerals.

  • Avon Helen Helen

    Im in France and this 9 shocking facts abour flouride was blocked from this hotel wi fi google chrome via David icke forum.
    Why ? give everyone flouride

  • Paul of Portugal

    Flouride in the water was first used by the nazis in the death camps to keep the people docile . . So our leaders think its good for us to be docile as well and the myth about children’s teeth . . Well it worked!

  • JonfromAustin

    You are the man Dr. Group. I first read your book good health begins in the colon four years ago. It made so much sense to me and changed my life. I love listening to Ben Fuchs too. You guys are both in stride when it comes to the importance of digestive health. It is unbelievable that most doctors don’t understand this basic principle of health. I wish I had a medical degree just so people would take me more seriously. More and more are waking up though. Just purchased the nascent iodine. Keep up the good fight!

  • ghc_health

    Thanks for the kind words, Jon! I appreciate the feedback.
    -Dr. Edward Group

  • princeb

    amen n amen

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  • dr meno

    How can I get this translated in spanish. I need to warn central america.

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  • Michelle Whitedove Ritchie

    None of the reference links go anywhere,, ?

  • DoubtingThomas

    They do if you click them.

  • Michelle Whitedove Ritchie

    my internet must have been slow last night,, taking me to the links today,,

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