Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
November 2025 in “Contraception” COC use doesn't increase hair stress hormone levels, but hair treatments may affect results.
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August 2016 in “The Plant cell” A specific enzyme is crucial for the bean plant's relationship with certain beneficial soil bacteria and fungi.
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April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.