5 citations
,
May 2019 in “Anais Brasileiros de Dermatologia” Finger length ratios might predict risk for skin condition in males.
4 citations
,
August 2024 in “PLoS ONE” Both injectable contraceptives lower testosterone and SHBG levels, with NET-EN having a greater effect than DMPA-IM.
2 citations
,
January 2023 in “Pharmaceuticals” Sex and sex hormones can affect brain inflammation in Parkinson's disease, with male mice being more affected and female mice showing a protective effect.
1 citations
,
January 2024 in “Journal of personalized medicine” Hormonal imbalances during menopause may significantly contribute to Frontal Fibrosing Alopecia.
1 citations
,
May 2023 in “Frontiers in Endocrinology” Autism's genetics are linked with early age of puberty and less hair loss, but not with hormone levels or polycystic ovary syndrome.
January 2026 in “Neurochemistry International” 24-Hydroxycholesterol reduces DHT formation in brain cancer cells, linking cholesterol and hormone metabolism.
51 citations
,
August 2012 in “Differentiation” Mouse genital development depends on male or female hormones for specific features.
44 citations
,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
42 citations
,
December 2019 in “Steroids” Body hair isn't a good substitute for scalp hair in steroid analysis.
11 citations
,
May 2024 in “Reproductive Biology and Endocrinology” Fetal ovaries produce different hormones than adult ovaries, and endocrine-disrupting chemicals may affect this process.
6 citations
,
September 2022 in “Vaccines” Some people developed alopecia areata after COVID-19 vaccination, but it's not caused by the vaccine and most improved with treatment.
4 citations
,
June 2025 in “JMIR Formative Research” Hair cortisol concentration may reflect some physiological stress but doesn't strongly correlate with perceived stress.
2 citations
,
June 2022 in “대한스포츠의학회지” Anabolic steroids boost muscle growth, SARMs increase muscle mass and bone density without side effects, and myostatin inhibitors block a protein that stops muscle growth, but each has potential risks.
1 citations
,
January 2023 in “BMC Women's Health” Polycystic Ovary Syndrome (PCOS) was found in 3.86% of tenth-grade girls in Guangzhou, China, with higher rates in overweight and obese girls, suggesting diagnosis should focus on hyperandrogenemia.
December 2025 in “Biology” Male and female mice handle stress differently.
October 2025 in “Preprints.org” Male and female mice handle stress differently.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
April 2021 in “International journal of reproduction, contraception, obstetrics and gynecology” Women with newly diagnosed PCOS may have worse gum health than those treated for PCOS.
December 2022 in “Frontiers in Microbiology” The scalp microbiome is more diverse and may be more important in hair loss than the gut microbiome.
1 citations
,
August 2023 in “Irish Journal of Medical Science (1971 -)” About a quarter of the participants experienced hair loss after COVID-19 vaccination.
April 2024 in “Journal of clinical medicine” Classical PCOS types A and B are most common and linked to higher health risks.
April 2024 in “Our Dermatology Online” Androgenetic alopecia may predict metabolic syndrome, so routine screening is recommended to prevent cardiovascular issues.
June 2023 in “Pharmaceuticals” Men and women respond differently to drugs for COVID-19, high cholesterol, and diabetes, which suggests a need for personalized treatments.
5 citations
,
October 2010 in “General and Comparative Endocrinology” Flutamide and finasteride reduced sex hormones in pregnant hyenas, but increased them in males.
May 2023 in “IntechOpen eBooks” More research is needed to understand how testosterone is maintained in adult males.
61 citations
,
December 2001 in “Journal of Investigative Dermatology” Steroid sulfatase in hair follicles may be a target for treating hair loss.
41 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
6 citations
,
July 2024 in “Heliyon” Steroid 5α-reductase evolved from protists and diversified in eukaryotes, with specific roles in mammals and plants.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
January 2025 in “Applied Sciences” Sulforaphane from broccoli may help treat certain cancers, hormone issues, and hair loss.