April 2006 in “Current Opinion in Endocrinology & Diabetes” Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
177 citations
,
December 2002 in “The Lancet” Fibrinogen/LDL apheresis may improve speech perception in sudden hearing loss, especially for those with high fibrinogen and LDL levels.
52 citations
,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
19 citations
,
July 2013 in “The obstetrician & gynaecologist” The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.
15 citations
,
January 2015 in “Dermatology Research and Practice” No clear link between hair loss and metabolic syndrome, but some differences in blood pressure and glucose levels.
January 2020 in “Proyecto de investigación:” Longer anogenital distance may indicate a higher chance of having polycystic ovary syndrome, and measuring this distance along with hormone levels could improve diagnosis.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
7 citations
,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
32 citations
,
January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
1 citations
,
January 2025 in “Clinical Cosmetic and Investigational Dermatology” Higher levels of certain proteins may increase or decrease rosacea risk.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
1 citations
,
July 2023 in “Psychoneuroendocrinology” Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.
February 2024 in “Psychoneuroendocrinology” Higher anxiety during pregnancy is linked to lower cortisol levels in newborns' hair.
Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
January 2026 in “Western Journal of Nursing Research” Hair cortisol levels don't reliably indicate chronic stress in people with multiple sclerosis.
May 2023 in “Frontiers in Endocrinology” Blocking CRF1 receptors improved male hormone levels and reduced testicular tumor size in men with a specific adrenal condition.
28 citations
,
May 2014 in “PubMed” Higher stress levels may be linked to hair loss in rhesus macaques.
High CCL11 levels may indicate poor response to baricitinib in severe alopecia areata.
October 2024 in “Journal of Medical and Scientific Research” Higher prolactin levels are linked to psoriasis, alopecia areata, and vitiligo severity.
157 citations
,
June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
60 citations
,
January 2023 in “Biogerontology” Adequate testosterone is crucial for men's health and quality of life, but its decline with age needs more research.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
8 citations
,
November 2024 in “Journal of Neuroendocrinology” Gut bacteria affect steroid levels, influencing health conditions and potential treatments.
5 citations
,
September 2012 in “BMJ case reports” Ashwagandha may improve hormone levels and reduce hair loss in non-classical adrenal hyperplasia.
Neurosteroids help regulate oxytocin levels, especially during stress and pregnancy, to protect against premature labor.
78 citations
,
November 2014 in “Functional Ecology” Heavily hunted wolves have higher stress and reproductive hormone levels.
37 citations
,
February 2023 in “Gut Microbes” Gut bacteria can lower androgen levels in male mice.