The Claim
The prevalence of hyperthyrotropinemia (elevated TSH) in children aged 7–14 remains above 10% across iodine intake ranges of 200–300 μg/day, with no consistent increase at higher intakes, suggesting it is not a reliable indicator of iodine excess in this population.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In children aged 7 to 14, elevated TSH levels are common and stay above 10% regardless of whether iodine intake is 200–300 micrograms per day or higher, indicating that TSH levels alone cannot reliably signal too much iodine in this group.
See the scientific wording
The prevalence of hyperthyrotropinemia (elevated TSH) in children aged 7–14 remains above 10% across iodine intake ranges of 200–300 μg/day, with no consistent increase at higher intakes, suggesting it is not a reliable indicator of iodine excess in this population.
When children get more iodine, their thyroid gland makes more thyroid hormone, but the brain detects this and reduces the signal to make more hormone, so the thyroid keeps working hard and produces extra TSH even when iodine is high.
What the research says
1 studyIn kids aged 7 to 14, high TSH levels are common no matter how much iodine they get—even if they get more than recommended. So, TSH alone can’t tell if a child is getting too much iodine.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.