July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
95 citations
,
August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
70 citations
,
March 2016 in “Urologic Clinics of North America” The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.
1 citations
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June 2023 in “Psychoneuroendocrinology” Childhood sexual trauma, especially between ages 5-7, is linked to lower cortisol levels in adult hair, suggesting long-term stress response changes.
7 citations
,
October 2020 in “Wiener medizinische Wochenschrift” THA is a rare condition with no significant clinical consequences if thyroid function is normal.
3 citations
,
August 2013 in “Maǧallaẗ ǧāmiʻaẗ al-anbār li-l-ʻulūm al-ṣirfaẗ” Thyroid and reproductive hormones, BMI, and excess hair are linked in Iraqi women with PCOS.
197 citations
,
January 2019 in “Neuropsychopharmacology” Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.
February 2026 in “Psychoneuroendocrinology” Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
1 citations
,
January 1986 in “Journal of Steroid Biochemistry” Women with excessive hair growth or polycystic ovary disease may more often carry a gene variant for 21 hydroxylase deficiency.
24 citations
,
March 2017 in “Archives of Gynecology and Obstetrics” The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.
February 2026 in “Advanced Science” Targeting the p300/AR axis may help treat polycystic ovary syndrome.
1 citations
,
September 2002 in “European Journal of Endocrinology” Triple H syndrome exists and can vary in symptoms.
1 citations
,
October 2005 in “Experimental and Clinical Endocrinology & Diabetes” Allopregnanolone and opioids together reduce stress hormone responses during pregnancy.
August 2018 in “Brock University Digital Repository (Brock University)” Adolescent male rats release more stress hormones than adults, and testosterone affects them differently.
24 citations
,
October 2018 in “Addiction Biology” Alcohol dependence affects stress hormone levels more than childhood maltreatment.
October 2023 in “Psychiatry research. Case reports” A new HRAS gene variant may cause a range of symptoms including intellectual disability and psychiatric issues.
15 citations
,
April 2022 in “Ginekologia Polska” Higher thyroid hormone levels may be linked to certain types of polycystic ovary syndrome.
11 citations
,
January 2020 in “World Journal of Traditional Chinese Medicine” Kidney-yang deficiency syndrome causes hormonal imbalances and various physical symptoms.
April 2019 in “Journal of the Endocrine Society” Glucocorticoid treatment lowered androgen levels but didn't improve hirsutism or ovulation and caused weight gain.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
36 citations
,
July 2005 in “Journal of Neuroendocrinology” Blocking certain brain processes reduces mating behavior in female rats.
41 citations
,
September 1951 in “Annals of Internal Medicine” The anterior pituitary controls adrenal cortex size and activity through ACTH.
January 2011 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Hyperthyroidism can hide signs of high androgen levels in females.
July 2024 in “Journal of Pediatric Endocrinology and Metabolism” Ovarian hyperthecosis should be considered in young women with severe male-like symptoms and can be managed with hormone treatments.
January 2015 in “International Journal of Research in Medical Sciences” A patient with HAIR-AN syndrome, PCOS, and Hashimoto's thyroiditis improved with early diagnosis and treatment to prevent serious health problems.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
1 citations
,
December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
49 citations
,
April 1997 in “Human reproduction” Hormone therapy for excessive hair growth is as good with GnRHa as with high-dose CPA, but GnRHa has longer-lasting results.
10 citations
,
February 2019 in “Journal of cellular physiology” TGF-β2 helps yak hair follicles enter the regression phase, while HSP70 tries to prevent it.