March 2015 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Testosterone affects skin by increasing oil production and influences hair growth.
November 2014 in “Elsevier eBooks” Gene mutations can cause problems in male genital development.
January 2008 in “Springer eBooks” Thyroid disease can cause hair loss and treating thyroid problems might help with hair disorders.
January 2006 in “Elsevier eBooks” Cats with Feline Symmetrical Alopecia can regrow hair with proper treatment based on the specific cause, including diet, medication, or stress management.
January 2006 in “Advances in developmental biology” The Hairless gene is crucial for healthy skin and hair growth.
Spironolactone with an oral contraceptive improved hair growth in women with hirsutism.
December 1999 in “Evidence-based obstetrics and gynecology/Evidence-based obstetrics & gynecology” Flutamide worked better than finasteride for reducing excessive hair growth in women, but had more side effects.
April 2026 in “Signal Transduction and Targeted Therapy” Balancing testosterone may reduce COVID-19 severity.
August 2025 in “Journal of Investigative Dermatology” Elevated luteinizing hormone contributes to female-pattern hair loss, and blocking certain channels may help prevent it.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
March 2024 in “Research Square (Research Square)” Sex steroids affect the MafB gene differently in male and female hamsters.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
September 2023 in “Repository of the University of Primorsk (University of Primorska)” Following national healthy eating guidelines can help reduce risks from gender-affirming hormone therapy.
January 2018 in “Elsevier eBooks” The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
September 2008 in “Fertility and Sterility” Exposure to fatty acids significantly increased androgen levels in female dogs, suggesting a link to conditions like insulin resistance and PCOS.
June 2003 in “Obstetrical & Gynecological Survey” After chemotherapy for a gestational trophoblastic tumor, normal pregnancy rates are possible, but there's a slightly higher risk of the tumor reoccurring in future pregnancies.
May 2026 in “International Research Journal of Ayurveda & Yoga” Certain physical traits can lead to health issues and need ongoing management.
185 citations
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August 2005 in “Autoimmunity Reviews” Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.
84 citations
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February 2013 in “Clinica chimica acta” Hair mineral analysis might help diagnose diseases early, but standard methods are needed.
77 citations
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March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
7 citations
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December 2020 in “Clinics in Dermatology” Some alopecia treatments might help treat COVID-19, but more research is needed.
3 citations
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June 2002 in “Transgenic Research” Scientists made a mouse that can be made to lose hair and then grow it back.
2 citations
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September 2024 in “Animals” Key genes influence melanin in chicken muscles, affecting their value.
2 citations
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December 2020 in “Phytomedicine plus” Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
1 citations
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January 2009 in “Drug delivery system” Anti-aging treatments like hair transplants, minoxidil, and finasteride effectively promote hair growth.
March 2026 in “Journal of Hunan University Natural Sciences” Albizia saponaria stem bark shows promise as a natural antidandruff treatment.
August 2024 in “Journal of Animal Science and Technology” Angora goat hair growth is influenced by gene expression, sex hormones, and breed differences.