167 citations
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January 2006 in “Gynecological Endocrinology” Women with PCOS have lower quality of life, especially in mental health and energy, and managing weight can help improve it.
122 citations
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November 1984 in “Journal of the American Academy of Dermatology” No single treatment is consistently effective for alopecia areata, and more research is needed.
107 citations
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September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
105 citations
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January 2010 in “Mediators of Inflammation” Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.
104 citations
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October 2016 in “PLoS ONE” CRISPR/Cas9 gene editing in cashmere goats increases hair follicles and fiber length, boosting cashmere yield.
103 citations
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March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
98 citations
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May 2008 in “Archives of Dermatological Research” Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.
94 citations
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January 2000 in “The Journal of Clinical Endocrinology and Metabolism” Spironolactone most effective for hirsutism, but has side effects.
89 citations
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March 2018 in “The Journal of Dermatology” Trichoscopy helps diagnose and monitor alopecia areata by looking at a combination of specific hair and scalp features.
89 citations
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November 2014 in “Medical Clinics of North America” Eating 500 fewer calories a day and making lifestyle changes can improve PCOS symptoms and reduce diabetes risk; more research is needed on its causes and treatments.
83 citations
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April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
81 citations
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January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
78 citations
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May 1989 in “The Journal of Clinical Endocrinology & Metabolism” Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.
77 citations
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April 2004 in “Gene expression patterns” The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.
73 citations
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June 2008 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovarian shape is a genetic sign of PCOS and its hormonal and metabolic features can be inherited.
71 citations
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May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
70 citations
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April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
69 citations
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September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
69 citations
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September 1991 in “Journal of Surgical Research” Understanding how fetal wounds heal could help improve healing in adults.
68 citations
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March 2008 in “Experimental dermatology” The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.
66 citations
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June 2010 in “Experimental Dermatology” The hair follicle is a great model for research to improve hair growth treatments.
65 citations
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August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
63 citations
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January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
62 citations
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May 1997 in “Journal of Pharmaceutical Sciences” Sebaceous glands in the skin play a key role in absorbing the antiandrogen drug RU 58841, especially when it's encapsulated in liposomes.
61 citations
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April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
60 citations
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August 2008 in “Human molecular genetics online/Human molecular genetics” A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.
56 citations
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October 1983 in “Archives of Dermatology” Some women with acne have higher levels of free testosterone, which might suggest using hormonal treatments for acne.
55 citations
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June 2009 in “Journal of Pharmaceutical Sciences” Minoxidil promotes hair growth by penetrating skin, with ethanol-containing formulas working best.