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Community post · Nov 11, 2026

Can thyroid hormone levels predict survival after breast cancer?

Higher levels of one thyroid hormone were linked to a 27% lower death rate after breast cancer diagnosis. The study followed 2,000 people with breast cancer in Sweden for nine years. Blood samples were taken at diagnosis, before surgery. R

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Community post · Nov 2, 2026

Can thyroid blood tests give misleading results?

Yes—thyroid blood tests can sometimes give wrong results because substances in the blood disrupt the test. That is the main message of a 2026 European Thyroid Association guideline. It covers thyroid testing, including [Free T4 (Thyroxine)

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