9 citations
,
January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
6 citations
,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
7 citations
,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
45 citations
,
January 2006 in “Endocrine journal” To diagnose Polycystic Ovarian Syndrome, two out of three signs—irregular periods, high male hormone levels, or cysts on the ovaries—are needed.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
18 citations
,
April 2013 in “PLOS ONE” Mice with autoimmune hair loss showed signs of heart problems.
4 citations
,
August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
76 citations
,
April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
18 citations
,
February 2020 in “Journal of pharmaceutical and biomedical analysis” The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
3 citations
,
January 2011 in “International journal of trichology” Low DHEA-S levels might be linked to alopecia areata and could be a potential treatment target.
5 citations
,
September 2012 in “BMJ case reports” Ashwagandha may improve hormone levels and reduce hair loss in non-classical adrenal hyperplasia.
10 citations
,
November 2024 in “Diagnostics” High androgen levels cause skin issues in PCOS, affecting quality of life.
78 citations
,
November 2014 in “Functional Ecology” Heavily hunted wolves have higher stress and reproductive hormone levels.
2 citations
,
December 2022 in “Metabolites” Hair analysis shows low progesterone in anorexia patients, unchanged by short-term weight gain.
October 2024 in “Journal of the Endocrine Society” Surgical removal of a rare ovarian tumor improved symptoms and hormone levels in a postmenopausal woman.
July 2020 in “Endocrine practice” A 13-year-old boy with Cushing syndrome has high cortisol levels from a pituitary gland issue and underdeveloped sexual characteristics.
1 citations
,
June 2021 in “Journal of pharmacopuncture” CBD may help restore hair growth-related protein levels in alopecia caused by hormones or other factors.
October 2023 in “Journal of the Endocrine Society” A woman's ovarian fibroma caused high testosterone levels, which normalized after surgery.
3 citations
,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
1 citations
,
January 2020 in “Инфекционные болезни. Новости, мнения, обучение” Lack of vitamin D might cause hair loss due to autoimmune problems, and fixing vitamin D levels could help treat it.
42 citations
,
December 2019 in “Steroids” Body hair isn't a good substitute for scalp hair in steroid analysis.
May 2026 in “Nepal Journal of Dermatology Venereology & Leprology” Stress does not significantly cause hair loss among medical students.
May 2025 in “American Journal of Veterinary Research” Photobiomodulation did not significantly improve hair density in dogs with alopecia X.
April 2022 in “Medicina estética” Minoxidil is the only FDA-approved treatment for female hair loss, with other potential treatments needing more research for effectiveness.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
January 2021 in “Case Reports” A 71-year-old woman developed male-like features due to high testosterone levels caused by a benign ovarian tumor, which was successfully removed by surgery.
February 2026 in “Journal of Family Medicine and Primary Care” Stress causes hair loss in students, needing stress management to improve health.
6 citations
,
February 2009 in “Veterinární Medicína” Deslorelin effectively treats hair loss in neutered ferrets by reducing hormone levels.