October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
5 citations,
August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
10 citations,
November 2018 in “Physiological Research” The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
7 citations,
October 2017 in “The Prostate” Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.
19 citations,
January 1990 in “Springer eBooks” 2 citations,
January 2018 in “Biology and medicine” High testosterone levels in 20% of the women studied may indicate PCOS, while 80% had low levels with potential health impacts.
November 1983 in “American Biology Teacher” Pattern baldness is likely caused by a dominant gene influenced by testosterone levels, making it more common in men.
53 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
1 citations,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
3 citations,
November 2021 in “Stress” 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.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
16 citations,
February 2018 in “European Journal of Endocrinology” Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
32 citations,
January 1990 in “Clinical Endocrinology” Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.
27 citations,
April 2013 in “Reviews in endocrine and metabolic disorders” 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.
12 citations,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
20 citations,
April 2021 in “Journal of Womens Health” Testosterone can help premenopausal and postmenopausal women with low sexual desire, but its long-term safety is unclear and it's not widely approved for this use.
2 citations,
January 2013 in “Elsevier eBooks” The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.
100 citations,
May 2011 in “Journal of Pediatric and Adolescent Gynecology” The document concludes that proper diagnosis and a multidisciplinary approach are crucial for managing Congenital Adrenal Hyperplasia effectively.
14 citations,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
16 citations,
November 2021 in “Antioxidants” Managing oxidative stress might help treat low testosterone and related chronic diseases in aging men.
22 citations,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
3 citations,
June 2017 in “Reproductive biomedicine online” A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.
3 citations,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
April 2023 in “Clinical Chemistry and Laboratory Medicine” The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
29 citations,
December 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” With careful management, people with congenital adrenal hyperplasia can have successful pregnancies and become parents.
8 citations,
April 1988 in “Journal of endocrinological investigation” Topical spironolactone cream doesn't cause hormone-related side effects in the body.
October 2017 in “Springer eBooks” A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.