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A comprehensive head-to-head comparison of key plasma phosphorylated tau 217 biomarker tests

Early data are limited but interesting

"Diagnosing vitamin B-12 deficiency on the basis of serum B-12 assay"

Glutathione-related antioxidant defense system in elderly patients treated for hypertension

Key Points Thyroid stimulating hormone (TSH) is a good marker for initially assessing thyroid function, however, measuring it alone does not offer enough insight to complete thyroid health or existing imbalances, and additional thyroid markers should be considered to make a proper diagnosis in the case of thyroid disfunction Several studies have found a direct effect of vitamin D supplementation on thyroid function, as well as significant associations between vitamin D levels and the levels of thyroid hormones and thyroid antibodies