7 citations
,
November 1997 in “Reproduction Fertility and Development” Epidermal growth factor disrupts hair and gland formation in bandicoots.
6 citations
,
January 1984 in “PubMed” Spironolactone treatment reduced hair growth and androgen levels in hirsute women, but the overall effectiveness was just adequate.
4 citations
,
January 2015 in “Case reports in urology” An 8-year-old boy recovered from a rare case of penile tourniquet syndrome after hair removal surgery.
53 citations
,
January 1986 in “Endocrinology” Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.
3 citations
,
June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
July 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Adipose tissue and eccrine gland displacement are common in certain alopecias but don't help differentiate between them.
4 citations
,
March 2018 in “Systems biology in reproductive medicine” Men born very underweight had higher estrogen levels but normal reproduction compared to normal birth weight men.
June 1998 in “Biomedicine & Pharmacotherapy” Medical treatments like chemotherapy and radiotherapy can harm sperm production, so freezing sperm before treatment is important for men who want children later.
October 2024 in “Dermatologica Sinica” ECM changes may play a role in hair loss, with differences between males and females.
30 citations
,
December 2017 in “Medical Hypotheses” The model suggests that scalp tension could lead to hair loss, with factors like blood vessel hardening, enlarged oil glands, and poor microcirculation also playing a role. It also hints at a possible link between skull shape and baldness pattern.
2 citations
,
April 2015 in “Journal of Evolution of Medical and Dental Sciences” Most hypothyroid patients experience dry skin and swelling.
3 citations
,
January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica” A rare ovarian tumor caused early puberty signs in a 1-year-old girl, but surgery reduced hormone levels.
11 citations
,
October 2002 in “The Journal of Clinical Endocrinology & Metabolism” Enzyme activities do not cause early pubic hair in these girls.
12 citations
,
March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
March 2026 in “JCEM Case Reports” Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
54 citations
,
November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
4 citations
,
May 2023 in “Plastic & Reconstructive Surgery” Adipose tissue helps skin expand by increasing blood vessels and cell growth.
2 citations
,
January 2004 in “Korean Journal of Andrology” 9 citations
,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Blocking testosterone speeds up wound healing in males.
22 citations
,
June 2007 in “Radiologia Medica” Testicular microlithiasis may increase the risk of testicular cancer and patients with it should be closely monitored.
1 citations
,
August 2022 in “Case Reports” A rare ovarian tumor caused high testosterone, hair loss, and missed periods, but surgery fixed these issues and led to pregnancy.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Aging causes changes in scalp cells that can negatively affect hair health.
April 2014 in “The FASEB Journal” Testosterone reduces knee movement, while flutamide and finasteride increase it.
April 2016 in “The FASEB Journal” Blocking androgen receptors early in life increases estrogen levels and reduces sexual motivation in male rats.
3 citations
,
January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
11 citations
,
January 1985 in “Archives of Dermatology” Topical antiandrogens might treat skin issues like hair growth, balding, and acne, but finding effective treatments without side effects is challenging.
26 citations
,
August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
51 citations
,
August 2012 in “Differentiation” Mouse genital development depends on male or female hormones for specific features.
7 citations
,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.