501 citations,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
356 citations,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
340 citations,
September 2014 in “PLOS Genetics” The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.
288 citations,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
282 citations,
October 2006 in “The Journal of Clinical Endocrinology and Metabolism” The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.
275 citations,
March 1999 in “Journal of The American Academy of Dermatology” Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.
270 citations,
April 2007 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS often have more belly fat and higher insulin levels, but belly fat isn't the only cause of their insulin resistance.
238 citations,
November 2016 in “Journal of The American Academy of Dermatology” Tofacitinib is effective and safe for severe hair loss, but full regrowth is less likely after 10 years of hair loss.
222 citations,
September 2016 in “JCI insight” Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.
221 citations,
January 2014 in “Human Reproduction” Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.
215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
195 citations,
July 2005 in “American Journal of Human Genetics” Genetic variation in the androgen receptor gene mainly causes early-onset hair loss, with maternal inheritance playing a key role.
175 citations,
November 2009 in “PLOS ONE” Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.
132 citations,
October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
115 citations,
January 2001 in “American journal of clinical dermatology” Eflornithine cream effectively reduces women's unwanted facial hair but hair returns if treatment stops.
112 citations,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
110 citations,
January 2014 in “The Journal of Sexual Medicine” Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.
107 citations,
August 2014 in “Dermatologic Surgery” PRP injections improve hair thickness for baldness.
106 citations,
September 2010 in “Stem cells” Skin-derived precursors in hair follicles come from different origins but function similarly.
103 citations,
December 2011 in “Journal of the American Academy of Dermatology” Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.
93 citations,
January 2016 in “British Journal of Dermatology” Eating a high-glycemic diet may worsen acne by increasing certain protein levels and expressions in the skin.
86 citations,
May 2011 in “Journal of The American Academy of Dermatology” How bad a woman's hair loss is doesn't always match how it affects her happiness and daily life.
83 citations,
March 2015 in “International Journal of Dermatology” ADSC-CM treatment improved hair density and thickness in women with hair loss, safely and effectively.
81 citations,
January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
76 citations,
November 2010 in “Journal of The American Academy of Dermatology” Some African American women's central scalp hair loss is linked to genetics and past fungal scalp infections, with more research needed on other causes.
75 citations,
November 2007 in “Clinical endocrinology” Certain medications including flutamide, spironolactone, and others effectively reduce excessive hair growth in women, especially when combined with lifestyle changes.
74 citations,
January 1998 in “Dermatology” Men who think they are losing hair feel worse about themselves, especially if they are younger.
72 citations,
December 1983 in “Journal of Investigative Dermatology” Minoxidil helps hair cells live longer and grow longer.
71 citations,
July 2015 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
68 citations,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.