research Testosterone Analysis in Hair
The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
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30 / 1000+ results research Sex hormone levels and body hair growth in !Kung San and Kavango men from Namibia
Lower DHT levels lead to more body hair growth.
research Salivary Testosterone in Hirsutism: Correlations with Serum Testosterone and the Degree of Hair Growth
Salivary testosterone is a better measure for hirsutism than serum testosterone.
research Segmental hair analysis - a retrospective testosterone diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Validation of hair estradiol immuno-assays across the menstrual cycle in emerging adults
Hair samples can reliably show average long-term hormone levels in young women.
research Distinctive features of steroid hormone metabolism in female patients with androgenic alopecia
Women with hair thinning have disrupted steroid hormone levels, but this doesn't often show as other health issues. More research is needed on hormone balance in this condition.
research Sex hormone-binding globulin and saliva testosterone levels in men with androgenetic alopecia
Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Effect of cosmetic hair treatment and natural hair colour on hair testosterone concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
research Stressfulness of Medically Indicated Abortion as Reflected by Hair Concentrations of Stress Hormones Cortisol and Testosterone: A Pilot Study
Hair hormone levels can indicate stress after a medically indicated abortion.
research Children’s hair cortisol and hair testosterone concentrations in response to environmental changes: from summer holidays to school
Girls had higher stress hormone levels during school due to social and emotional issues, while boys had higher overall hormone levels with slight changes when school started.
research Relations between sex hormone level and characters of hair and skin in healthy young men
Higher androgen levels do not cause baldness in men.
research Is it getting in the hair? – Cortisol concentrations in native, regrown and segmented hairs of cattle and pigs after repeated ACTH administrations
Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
research Hair Cortisol: A Biomarker of Chronic Stress in Animals and its Association with Reproduction
High levels of cortisol in hair show long-term stress which can lower fertility in animals.
research Within-person changes of cortisol, dehydroepiandrosterone, testosterone, estradiol, and progesterone in hair across pregnancy, with comparison to a non-pregnant reference group
Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
research Plasmaproteinbindung endogener Glucocorticosteroide und deren Einfluss auf Haar- und Speichelkonzentrationen
Plasma protein binding significantly affects glucocorticosteroid concentration in blood, saliva, and hair.
research Salivary testosterone levels in infertile men
Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
research Segmental hair analysis as a retrospective testosterone diary: possibilities and pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research Testosterone-like immunoreactivity in hair measured in minute sample amounts - a competitive radioimmunoassay with an adequate limit of detection
The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
research Optimization of LC method for the determination of testosterone and epitestosterone in urine samples in view of biomedical studies and anti-doping research studies
Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
research Protective role of Nigella sativa in chemotherapy-induced alopecia
Black seed oil significantly protects against hair loss from chemotherapy.
research MANAGEMENT OF ENDOCRINE DISEASE Hyperandrogenic states in women: pitfalls in laboratory diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
research Measurement of Steroid Hormones in Hair: an Analysis of Hormone Dynamics in Hair Follicles
The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.
research PLASMA C19 STEROID SULPHATE LEVELS AND INDICES OF ANDROGEN BIOAVAILABILITY IN FEMALE PATTERN ANDROGENIC ALOPECIA
Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
research Revisiting hyper- and hypo-androgenism by tandem mass spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research The Effects of Single Testosterone Administration and Stress Induction on Steroid Hormone Levels in Hair
Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
research Health Benefits and Safety of Red Pigmented Rice (Oryza sativa L.): In Vitro, Cellular, and In Vivo Activities for Hair Growth Promoting Treatment
Red pigmented rice, like Sang-Yod rice, could help promote hair growth and prevent hair loss.
research Concentrations of Bioelements (Zn, Cu, Fe, Cr, Mg, Mn) in Serum and Bone Tissue of Aging Men Undergoing Hip Arthroplasty: Implications for Erectile Dysfunction
Zinc and copper levels may affect erectile dysfunction by influencing hormone levels.
research Endogenous steroid hormones in hair: Investigations on different hair types, pigmentation effects and correlation to nails
Body hair isn't a good substitute for scalp hair in steroid analysis.
research Effect of finasteride on ovulation induction in nonresponder (hyperandrogenic) polycystic ovary syndrome (PCOS) women
Finasteride helps induce ovulation in nonresponder PCOS women.