38 citations,
March 2010 in “Medicine” Most patients with Porphyria Cutanea Tarda had skin blisters and were often affected by hepatitis C and alcohol abuse, with differences between familial and sporadic cases.
36 citations,
November 2009 in “European Radiology” The study found that women with PCOS have more and larger ovarian follicles and differences in ovarian structure, but these features alone can't always diagnose PCOS.
36 citations,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
13 citations,
August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
12 citations,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
35 citations,
May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
23 citations,
July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
9 citations,
June 2002 in “Best Practice & Research in Clinical Obstetrics & Gynaecology” Testosterone therapy can help women with androgen deficiency by improving energy, sex drive, and bone health with few side effects.
34 citations,
April 2014 in “Psychopharmacology” Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.
26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
13 citations,
December 2017 in “Journal of Cosmetic and Laser Therapy” Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.
166 citations,
October 2018 in “Endocrine Reviews” Hormone treatments for transgender individuals generally improve mental health and physical transition, with some health risks that require medical supervision.
67 citations,
November 2002 in “Journal of The American Academy of Dermatology” The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.
22 citations,
January 2002 in “Treatments in endocrinology” Birth control pills help treat skin and hair growth problems linked to high male hormone levels.
198 citations,
July 2011 in “Cochrane library” Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.
93 citations,
June 2001 in “The Journal of Clinical Endocrinology and Metabolism” Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.
8 citations,
January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
2 citations,
January 1984 in “Progress in neuro-psychopharmacology & biological psychiatry” Benzodiazepines changed hormone levels but did not affect hair growth in women with idiopathic hirsutism.
September 2023 in “Fides et Ratio” The safety and effectiveness of gender-affirming treatments for children are uncertain, with potential long-term risks like infertility.
July 2015 in “Cambridge University Press eBooks” The document concludes that treatments for female hair loss and excess body hair are available, but managing expectations is important.
2295 citations,
August 2012 in “The international journal of transgenderism/International journal of transgenderism” The guidelines recommend informed consent for gender-affirming treatments and stress the importance of personalized, culturally sensitive care for transgender individuals.
451 citations,
March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
226 citations,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
124 citations,
August 1990 in “British Journal of Dermatology” Diffuse alopecia in women may be related to androgens and iron deficiency, and basic hormone and nutrient screening is useful.
119 citations,
November 2009 in “Human Reproduction” Women with PCOS and higher androgen levels are more likely to have fatty liver disease.
101 citations,
April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.