42 citations
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March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
41 citations
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March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
40 citations
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June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
39 citations
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September 2015 in “Clinical Therapeutics” Teriflunomide effectively reduces relapse rates and disease progression in multiple sclerosis but is not safe for use during pregnancy.
39 citations
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May 2002 in “Oral Microbiology and Immunology” Testosterone increases cell growth and reduces IL-6 in gum cells.
39 citations
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March 1987 in “Journal of The American Academy of Dermatology” Topical minoxidil is a safe and effective treatment for hair loss caused by androgenetic alopecia.
37 citations
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March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
36 citations
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May 2011 in “The Journal of Clinical Endocrinology & Metabolism” Treatment with a hormone agonist can reduce excess male hormones in postmenopausal women without surgery.
36 citations
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October 2008 in “European journal of paediatric neurology” Valproic acid treatment may cause temporary hair loss due to reduced zinc and biotinidase levels, which tend to normalize after 6 months.
35 citations
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July 2008 in “International Journal of Gynecology & Obstetrics” MPA improved hormonal imbalances and acne in women with PCOS without affecting metabolism.
35 citations
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January 2002 in “Scandinavian Journal of Urology and Nephrology” Finasteride reduces prostate bleeding by affecting blood vessel growth.
34 citations
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January 2022 in “Molecules/Molecules online/Molecules annual” Natural ingredients in cosmeceuticals are beneficial for skin and hair health with few side effects.
34 citations
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April 2007 in “Neuroscience” Finasteride reduces alcohol withdrawal severity in male mice but increases it in female mice.
34 citations
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May 1987 in “European Journal of Pediatrics” Buserelin safely and effectively suppresses early puberty, potentially improving final height.
33 citations
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January 2018 in “The Journal of Clinical Endocrinology & Metabolism” Metformin improves menstrual cycles and hormone levels in women with PCOS, mostly within the first 6 months.
32 citations
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February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
32 citations
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January 2018 in “American Journal of Clinical Dermatology” Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.
32 citations
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April 2001 in “Experimental Eye Research” Zinc is essential for healthy optic nerves, and its deficiency can damage them.
32 citations
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August 1985 in “Clinical endocrinology” Spironolactone may help reduce hair growth and testosterone levels in some women with hirsutism.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
31 citations
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April 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Androgens cause oil-producing skin cells with androgen receptors to mature and produce more oil.
31 citations
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February 2014 in “Journal of dermatological science” Placental growth factor may help treat hair loss.
31 citations
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December 2012 in “British Journal of Dermatology” Korean women's hair thins, weakens, and greys with age, with mineral and sterol changes.
30 citations
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July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
30 citations
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December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
30 citations
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January 2015 in “BioMed Research International” Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.
29 citations
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March 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Older age at onset of alopecia areata leads to less severe and shorter episodes, with most patients experiencing significant hair regrowth.
29 citations
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June 2004 in “Pharmacology, Biochemistry and Behavior” Finasteride reduces alcohol withdrawal effects, especially in female mice.
29 citations
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April 2004 in “Annals of Pharmacotherapy” Finasteride reduces hirsutism effectively with fewer side effects but is a second-choice treatment due to safety concerns.
28 citations
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January 2022 in “PLoS ONE” Sarcoptic mange nearly wiped out vicuñas and guanacos in an Argentine park.