90 citations,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
101 citations,
March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
61 citations,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
56 citations,
January 2019 in “Lancet” JAK inhibitors help regrow hair in alopecia areata patients, improving their quality of life.
12 citations,
July 2019 in “Acta Neurologica Belgica” Levodopa for Parkinson's disease might be linked to skin issues like melanoma, but it's unclear if the drug or the disease causes them.
3 citations,
February 2008 in “Basic and clinical dermatology” Telogen Effluvium is a hair loss condition where treatment involves identifying and managing its triggers.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
463 citations,
September 2004 in “Clinics in dermatology” Effective acne treatments should reduce sebum, bacteria, and inflammation, with isotretinoin being the best for severe cases.
September 2010 in “European Urology Supplements” Opioid use may lower PSA levels, suggesting a possible role in prostate cancer control; PSA testing is useful for detecting prostate cancer; serum triglycerides are not linked to prostate cancer risk; and higher urethral PSA levels may be associated with local hormone activity.
186 citations,
July 1998 in “Journal of Cutaneous Medicine and Surgery” Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.
23 citations,
May 2009 in “International Journal of Dermatology” AR gene not major factor in female hair loss; different from male hair loss.
20 citations,
July 2006 in “Veterinary dermatology” Melatonin helped some Pomeranian dogs regrow hair, but it wasn't linked to estrogen receptors.
20 citations,
December 2000 in “Fertility and Sterility” The N363S gene variant does not cause higher adrenal androgen levels in women with polycystic ovary syndrome.
10 citations,
October 2014 in “Journal of Ovarian Research” The IRS-2 Asp/Asp genotype may increase the risk of PCOS in Chinese women, especially if they are not obese.
9 citations,
March 2020 in “Gene” Certain gene variants in estrogen receptors are linked to polycystic ovary syndrome, mainly affecting metabolism, in Tunisian women.
6 citations,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
61 citations,
January 2015 in “Hormones” Liraglutide caused significant weight loss in some obese women with PCOS, especially those with severe obesity and insulin resistance.
2 citations,
February 2014 in “Journal of the European Academy of Dermatology and Venereology” High levels of prolactin in the blood can be linked to widespread hair loss.
100 citations,
July 2004 in “The Journal of Sexual Medicine” Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.
78 citations,
November 2008 in “Fertility and Sterility” Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.
14 citations,
July 2010 in “British Journal of Dermatology” Estrogen and prolactin may play bigger roles in female hair loss than previously thought.
June 2024 in “Research Square (Research Square)” Young women in West Bengal, India, with PCOS often have estrogen resistance, leptin receptor issues, folate deficiency, T2DM, and acanthosis, commonly linked to obesity.
August 2023 in “Journal of Clinical Medicine” Metformin lowers prolactin in women without PCOS but not in those with PCOS, where it reduces other hormones instead.
February 2021 in “Facta Universitatis” Too much prolactin can cause menstrual problems, infertility, and sexual issues in women.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
December 2024 in “Animals” RORA may help regulate hair growth by affecting hair follicle stem cells.
53 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.