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.
8 citations,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
3 citations,
July 2014 in “Indian Journal of Surgery” Sex hormones might influence bladder cancer development, and aromatase inhibitors could increase risk in postmenopausal women.
April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
31 citations,
December 2012 in “British Journal of Dermatology” Korean women's hair thins, weakens, and greys with age, with mineral and sterol changes.
5 citations,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
4 citations,
June 2017 in “Endocrine Reviews” Dihydrotestosterone (DHT) mainly affects nearby cells, doesn't significantly change prostate hormonal environment or cancer risk, and doesn't play a main role in causing hair loss or acne. More research is needed on its effects on heart health, sexual function, and bone health.
August 2023 in “Physician's journal of medicine” Hashimoto thyroiditis is an autoimmune disease that can lead to an underactive thyroid and is treated with medication and sometimes diet changes or surgery.
13 citations,
January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
5 citations,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
September 2024 in “Health of Man” High uric acid can cause health issues, so managing it with lifestyle changes is important.
57 citations,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
86 citations,
May 2013 in “American journal of obstetrics and gynecology” Gynecologists should provide comprehensive care for transgender patients, including mental health evaluation, hormone therapy, and surgical options, while monitoring for side effects and ensuring patient safety.
59 citations,
February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
May 2015 in “Journal of the American Academy of Dermatology” Certain drugs and supplements may contribute to hair loss in the frontal hairline in older women.
6 citations,
June 2017 in “Reproductive Biomedicine Online” Chinese women with PCOS have higher androgen levels, which change with age and weight.
December 2022 in “Cureus” Hormones significantly influence hair growth, with conditions like hirsutism and patterned hair loss linked to hormone levels; more research is needed for full understanding.
September 2002 in “Fertility and sterility” Metformin can start ovulation and may lower 17P response in PCOS, but six months is too short to improve hair growth or change body fat distribution.
135 citations,
March 1984 in “Fertility and sterility” Higher levels of unbound testosterone are linked to increased insulin resistance, especially in women with polycystic ovary syndrome.
64 citations,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
20 citations,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
18 citations,
May 2014 in “Menopause” A 5 mg dose of transdermal testosterone cream effectively restores testosterone levels in postmenopausal women.
18 citations,
August 2019 in “Clinical breast cancer” Local hormonal treatment for vulvovaginal atrophy is likely safe for women with estrogen receptor-positive breast cancer on aromatase inhibitors.
11 citations,
October 1986 in “International Journal of Gynecology & Obstetrics” The contraceptive reduced hair growth and altered hormone levels in hirsute women.
10 citations,
April 2018 in “Maturitas” Excess male hormones in postmenopausal women can cause health issues and increase the risk of heart disease and diabetes; treatment depends on the cause.
9 citations,
December 1987 in “European journal of endocrinology” The treatment significantly reduced hair growth and male hormone levels in hirsute women.
5 citations,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
5 citations,
June 2012 in “PubMed” Valproic acid can cause a skin condition called leukocytoclastic vasculitis, which usually gets better after stopping the drug.
2 citations,
September 2016 in “Springer eBooks” Humans can accurately guess age from faces, with women being slightly better at it, and age perception is linked to evolutionary factors.
2 citations,
January 1996 in “Annals of saudi medicine/Annals of Saudi medicine” Alopecia areata is unpredictable, with limited treatment effectiveness, especially in severe cases.