32 citations
,
March 2020 in “Drug Design Development and Therapy” Finasteride shows promise for female hair loss, but more research needed.
13 citations
,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
July 2025 in “Archives of Sexual Behavior” Men's facial appearance shows age, body fat, and testosterone levels, not metabolic health.
10 citations
,
May 2009 in “Sexual and Relationship Therapy” The document concludes that hormone therapy is essential for treating gender dysphoria, with specific drugs and monitoring protocols recommended for safety and effectiveness.
8 citations
,
March 2020 in “Frontiers in Cell and Developmental Biology” Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
August 2024 in “Journal Integration of Social Studies and Business Development” Sassle's haircare business is financially viable and profitable.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” D-OCT shows increased blood vessel growth in response to tissue damage in Frontal Fibrosing Alopecia and is useful for diagnosis and monitoring.
April 2017 in “Journal of Investigative Dermatology” Blocking JAK-STAT5 signaling in mice leads to hair growth.
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.
January 2016 in “Springer eBooks” A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.
38 citations
,
October 2006 in “Fertility and Sterility” The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.
26 citations
,
November 2009 in “Journal of Endocrinological Investigation” Certain gene variations are not a major cause of male infertility in Nigerian men.
10 citations
,
June 2000 in “Primary Care” The document explains different hair loss types and treatments, emphasizing diagnosis through examination and tests, and specific treatments for each condition.
36 citations
,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
2 citations
,
January 2013 in “Elsevier eBooks” The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.
January 1995 in “Adolescent and pediatric gynecology” Mutations in the androgen receptor gene cause different levels of androgen insensitivity, making it hard to create simple tests for the condition.
195 citations
,
May 2003 in “Obstetrics and gynecology (New York. 1953. Online)/Obstetrics and gynecology” Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.
58 citations
,
March 2013 in “Human Reproduction Update” Products should be called 'sperm-safe' only after thorough, well-designed tests.
54 citations
,
November 2001 in “Urology” The length of the CAG repeat in the androgen receptor gene affects the risk and progression of prostate cancer, BPH, infertility, and undermasculinized genitalia.
54 citations
,
June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
24 citations
,
January 2001 in “Dermatologic clinics” Hormonal therapy is a treatment option for acne, the only medical treatment for hirsutism, and the most promising for androgenetic alopecia.
15 citations
,
January 2014 in “Anais Brasileiros de Dermatologia” Lupus treatment requires a combination of drugs and therapies, with research needed for new options.
11 citations
,
May 2003 in “Obstetrics and gynecology (New York. 1953. Online)/Obstetrics and gynecology” Hirsutism in women often indicates a hormonal imbalance and can be managed with a combination of hormonal treatments and hair removal methods.
11 citations
,
September 1997 in “Archives of Dermatology” Reduced androgens linked to kinky hair disorder and hair loss; 5a-reductase inhibitors may help.
1 citations
,
April 2018 in “Sleep” Finasteride increases risk of sleep apnea and insomnia.
52 citations
,
September 2020 in “Cell Death and Disease” Overactive sonic hedgehog signaling worsens uterine scarring by reducing cell recycling.
27 citations
,
March 2012 in “Dermatologic Therapy” Taking zinc supplements can help improve or cure hair loss caused by zinc deficiency.
3 citations
,
January 2016 in “Elsevier eBooks” Steroid hormones are crucial for body functions and have various medical uses, but their misuse can lead to dependence.
60 citations
,
August 2008 in “Human molecular genetics online/Human molecular genetics” A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.