November 2025 in “European Journal of Endocrinology” Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.
September 2025 in “International Journal of Molecular Sciences” Hair analysis could help diagnose and treat schizophrenia more effectively.
66 citations
,
May 2014 in “Conservation Physiology” Grizzly and black bears have different stress and hormone responses to salmon availability, influenced by nutrition and social competition.
December 2024 in “Journal of Clinical Medicine” PCOS and eating disorders are linked by hormonal imbalances, needing personalized treatment.
54 citations
,
May 2015 in “Endocrinology” Manipulating 5α-reductase type 2 can affect liver fat production and glucocorticoid effects.
40 citations
,
October 2004 in “Veterinary Dermatology” Trilostane treatment led to full hair regrowth in most Pomeranians and all miniature poodles with alopecia X.
26 citations
,
July 2012 in “Endocrine Connections” Mitotane changes steroid breakdown, affecting cortisol availability.
11 citations
,
January 2020 in “World Journal of Traditional Chinese Medicine” Kidney-yang deficiency syndrome causes hormonal imbalances and various physical symptoms.
3 citations
,
April 2020 in “Clinical endocrinology and metabolism journal” Imaging helps detect adrenal gland issues and monitor treatment in congenital adrenal hyperplasia, and can identify tumors affecting fertility.
October 2024 in “World Journal of Psychiatry” Stress worsens hair loss in androgenetic alopecia.
February 2024 in “Biomedicines” Hormones like androgens, estrogen, thyroid hormones, and stress hormones can contribute to hair loss, and treatments target these hormonal imbalances.
January 2024 in “Biomedicines” Using stem cells from hair follicles to treat female hair loss is safe and effective after six months.
September 2023 in “F&S reports” PCOS may increase the risk of mental health issues like depression and anxiety.
January 2008 in “US endocrinology” Mutations in the glucocorticoid receptor gene cause reduced sensitivity to glucocorticoids and may lead to poor response to treatment.
May 2022 in “Hormones and behavior” Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.
37 citations
,
September 2002 in “Acta pædiatrica” A cystic fibrosis patient developed Cushing's syndrome from a drug interaction between itraconazole and budesonide, which improved after stopping the medications.
6 citations
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September 2002 in “Acta pædiatrica” A cystic fibrosis patient developed Cushing's syndrome from a drug interaction between itraconazole and inhaled budesonide.
January 1989 in “Handbook of experimental pharmacology” Drugs can change hair growth and this is important because it can upset people.
June 2023 in “International journal of molecular sciences” Heat stress changes goats' skin and hair at the microscopic level and affects their genes and skin bacteria.
52 citations
,
February 1985 in “Archives of Dermatology” Minoxidil absorbs poorly through skin, with low risk of side effects at 1-2% concentration.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
16 citations
,
September 2009 in “Schweizer Archiv für Tierheilkunde” Adrenal tumors can cause high progesterone levels, mimicking symptoms of high cortisol.
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.
49 citations
,
May 2018 in “Endocrine” Women with regular menstrual cycles and PCOS have linked kisspeptin and LH hormone patterns, unlike those with irregular cycles.
1 citations
,
August 2020 in “British Journal of Dermatology” Caffeine may protect hair follicles from stress-related hair loss.
April 2022 in “Indian Journal of Forensic Medicine & Toxicology” PSA can help diagnose high androgen levels in women.
19 citations
,
August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
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.
August 2025 in “Tropical Journal of Natural Product Research” Celery extract and candlenut oil effectively and safely boost hair growth.
182 citations
,
December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.