107 citations,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
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.
88 citations,
April 2017 in “Journal of Pediatric and Adolescent Gynecology” The document concludes that early diagnosis and treatment of Congenital Adrenal Hyperplasia are crucial for preventing serious health issues and improving patient outcomes.
79 citations,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
73 citations,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
69 citations,
September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
60 citations,
April 2012 in “Physiology” The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
51 citations,
July 2010 in “Trends in Endocrinology and Metabolism” Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.
47 citations,
May 2020 in “Cardiovascular Research” The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.
42 citations,
August 2017 in “Human Reproduction” Women with polycystic ovary syndrome tend to have a longer distance between the clitoris and anus.
41 citations,
September 2005 in “Wound Repair and Regeneration” Hydrogen peroxide can cause scars by changing healing processes and increasing certain protein levels.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
36 citations,
November 2009 in “Journal of Investigative Dermatology” Prolactin may affect hair growth differently based on gender and scalp area.
32 citations,
February 2017 in “Human Reproduction” Women with polycystic ovary syndrome tend to have a longer anogenital distance.
27 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” PCOS is a complex disorder managed by treating symptoms and requires a team of specialists.
26 citations,
November 2011 in “Arquivos Brasileiros De Endocrinologia E Metabologia” Diagnosing PCOS in teenagers should focus on signs of excess male hormones and not rely solely on ovarian ultrasound or irregular periods, and should be reassessed in adulthood.
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.
25 citations,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
24 citations,
May 2018 in “Journal of Molecular Endocrinology” The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.
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.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
18 citations,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
18 citations,
September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
17 citations,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
17 citations,
March 2006 in “Journal of Cosmetic Dermatology” Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.
16 citations,
December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.