September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
January 2022 in “IntechOpen eBooks” Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.
16 citations,
August 2007 in “Histopathology” A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.
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.
March 2024 in “Korean Journal of Pharmacognosy” Nymphaea caerulea flower extract can improve scalp conditions by reducing oil, inflammation, stress hormones, and blood vessel issues.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.
July 1998 in “Chromatographia” Women with effluvium have higher levels of certain urinary steroids, possibly due to stress and increased adrenal activity.
22 citations,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
23 citations,
December 2017 in “Scientific Reports” ARL15 is important for fat cell development and the release of the hormone adiponectin.
7 citations,
January 2014 in “Case reports in endocrinology” A woman's excessive hair growth was caused by a rare benign tumor in her adrenal gland, which was successfully removed.
5 citations,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
January 2023 in “Research Square (Research Square)” Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
January 2013 in “Journal of dermatology” A new medical syndrome may include skin changes, hair loss, sweating issues, bone malformations, leg swelling, and low cortisol.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
2 citations,
June 2022 in “Scientific reports” Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
13 citations,
June 2006 in “Pituitary” A woman with acromegaloidism and normal growth hormone levels had a rare X-Tetrasomy, suggesting a need to study X-chromosome genes for their role in growth and facial development.
5 citations,
November 1999 in “Medical Hypotheses” Minoxidil, a common hair loss treatment, might work by counteracting a hormone that reduces hair growth and promotes hair loss.
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.
16 citations,
September 2008 in “Dermatologic Therapy” CAH is a genetic disorder affecting cortisol production and causing hormonal imbalances, with treatment and diagnosis varying by form and symptoms.
October 2012 in “Semina. Ciências Agrárias” A Shi Tzu dog with high cortisol levels improved after increasing the dose of trilostane.
7 citations,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
2 citations,
October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
August 2021 in “Asian Journal of Pharmaceutical and Clinical Research” Plant extracts in shampoo improved hair thickness and density in men with hair loss.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
183 citations,
March 1982 in “JAMA” Spironolactone is a safe and effective treatment for reducing excessive hair growth in women.
October 2023 in “Journal of the Endocrine Society” A woman's cyclic Cushing syndrome was caused by a tumor in her adrenal gland that produced ACTH.
The case shows the difficulty in diagnosing certain conditions when standard tests are negative.
November 2022 in “Journal of the Endocrine Society” A woman's masculine symptoms were caused by a rare tumor in her left ovary, which was found using a special blood test.