These 2009 research studies reviewed the important, thyroid-affecting pollutants found in our everyday environment. It admits that the developing fetus and infants are particularly susceptible since they need adequate thyroid hormones for their normal neurodevelopment.
-Perchlorate – found in tap water; from rocket fuel
-PFOA – in non-stick and stain/water-repellant products
-Triclosan – anti-bacterial ingredient in hand sanitizers, toys, and many products
-Fluoride – found in tap water, tooth paste
-Nitrate – in tap water from runoff from agricultural sewage and fertilizer use
-Bisphenol-A – in hard (number 7) plastics, white food can liners, toys, dentistry
-Thiocyanate – cigarette smoke, cassava, Brassica vegetables,
-PCBs – banned, though still appears in the animal food chain
-PBDEs – flame retardants found in many household products and clothing, dust and high fat animal foods; proven to delay fertility
-Isoflavones – in legumes, especially in soybeans
Best Pract Res Clin Endocrinol Metab. 2009 Dec;23(6):801-13.
Environmental pollutants and the thyroid.
Pearce EN, Braverman LE.
Toxicol Ind Health. 2009 Feb;25(1):49-57.
Fluoride-induced thyroid dysfunction in rats: roles of dietary protein and calcium level.