33 citations,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
3 citations,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
12 citations,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
October 2017 in “Iranian Journal of Dermatology” Clinical exams are good for diagnosing some women's hair loss, but lab tests aren't always needed.
35 citations,
October 2006 in “Journal of Dermatology” Teen hair loss common in boys, linked to family history and mild symptoms.
4 citations,
January 2019 in “PubMed” Patterned hair loss in women is linked to hormonal imbalances and biochemical changes, and should be evaluated for underlying health issues.
176 citations,
August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
75 citations,
June 1999 in “Pediatric Clinics of North America” The document concludes that early recognition and treatment of PCOS in adolescents is crucial for managing symptoms and long-term health risks.
1 citations,
January 2021 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” High prolactin levels might be linked to hair loss in autoimmune thyroid disease, but more research is needed.
18 citations,
May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
14 citations,
September 1986 in “Archives of Dermatology” Women with low SHBG levels and a high 3a-diol G to SHBG ratio are likely to experience female pattern baldness, possibly due to a slight excess of androgens affecting sensitive hair bulbs.
47 citations,
June 2016 in “JAMA Dermatology” Men with early hair loss have similar hormone levels to women with PCOS, possibly increasing risk of obesity and heart issues.
21 citations,
January 1991 in “Dermatology” Men with male pattern hair loss have different levels of certain hormones compared to men without hair loss.
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.
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.
July 2024 in “Occupational Medicine” Higher cortisol levels are linked to poor coping, while higher DHEA levels are linked to job confidence.
March 2017 in “Journal of Dermatology” Different hair loss patterns may be linked to varying male hormone levels.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
December 2015 in “Vestnik dermatologii i venerologii” People with hair loss have different hormone levels, and these hormones can affect hair growth.
22 citations,
September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
11 citations,
October 1986 in “International Journal of Gynecology & Obstetrics” The contraceptive reduced hair growth and altered hormone levels in hirsute women.
3 citations,
March 2021 in “Metabolites” Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
5 citations,
January 2021 in “Biomedicine & Pharmacotherapy” Policosanol helps treat hair loss by balancing hormones and supporting hair growth.
June 2016 in “Baghdad Science Journal” Young men with early baldness may have lower Luteinizing Hormone levels due to higher dihydrotestosterone, possibly linked to certain drugs or gland disorders.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
August 2023 in “Journal of Cosmetic Dermatology” Exosomes from hair papilla cells and the Chinese medicine Liao Tuo Fang can potentially promote hair growth and could be used to develop hair growth drugs.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
67 citations,
July 2016 in “Reviews in Endocrine and Metabolic Disorders” Stress can worsen skin conditions by affecting hormone levels and immune response.
9 citations,
December 1987 in “European journal of endocrinology” The treatment significantly reduced hair growth and male hormone levels in hirsute women.
23 citations,
January 1994 in “Skin Pharmacology and Physiology” Hair loss in men and women is linked to high stress hormone levels and other hormonal imbalances, suggesting treatments should be customized to each person's hormones.