Strong Support
correlational
In mothers living in areas with very high selenium in the soil and diet, blood levels of the active thyroid hormone FT3 are lower than expected, even though other thyroid hormones stay normal,...
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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Influence of High Dietary Selenium Intake on the Thyroid Hormone Level in Human Serum
Cross-Sectional Study
Human
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.