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Thyroid UK
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Endocrine-Disrupting Chemicals

"Animal studies have also demonstrated that a number of chemicals, including but not limited to PCBs, PBDEs, some phthalates, and perchlorate, can reduce circulating levels of thyroid hormone. Interestingly, not all of these chemicals also cause an increase in serum TSH."

From: Executive Summary to EDC-2: The Endocrine Society’s Second Scientific Statement on Endocrine-Disrupting Chemicals, page 7.


2 Replies

Thank you for this information. It's amazing what can affect our thyroid gland negatively.


Just to reiterate...

These disrupters may reduce thyroid hormone without an increase in TSH.

Patient feels bad but the lab work indicates no problem.


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