July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
November 2003 in “Aap Grand Rounds” Low-dose flutamide-metformin therapy effectively improved PCOS symptoms in adolescent girls.
May 1992 in “Reactions Weekly” Some patients lost hair after taking interferon alpha 2B, but it improved for some while still on the treatment and for others after stopping it.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
December 2022 in “JAMA network open” 5α-Reductase inhibitors may increase depression risk but not dementia or suicide.
March 2021 in “Journal of Pakistan Association of Dermatologists” In Pakistan, men with more severe hair loss often have a higher BMI.
July 2016 in “International journal of biomedical research” Family history and elevated DHEA-S levels are linked to more severe hair loss.
414 citations,
August 2005 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovary syndrome costs the U.S. over $4 billion a year, mainly from treating related health issues.
215 citations,
January 2011 in “Reproductive Biology and Endocrinology” About 7% to 15% of Iranian women have polycystic ovary syndrome, depending on the criteria used to diagnose it.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
120 citations,
June 2008 in “American Journal of Epidemiology” A simple screening method found that 6.3% of women in a semiurban area in Sri Lanka have polycystic ovary syndrome, with most showing menstrual irregularities.
81 citations,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
74 citations,
January 1998 in “Dermatology” Men who think they are losing hair feel worse about themselves, especially if they are younger.
73 citations,
February 2007 in “The American Journal of Medicine” PCOS is a common hormonal disorder in women, treated with lifestyle changes and medications like hormonal contraceptives and metformin.
72 citations,
February 2011 in “The American Journal of Dermatopathology” Anti-TNF therapy can cause a unique type of hair loss that may get better with topical treatments without stopping the therapy.
67 citations,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
59 citations,
February 2021 in “BMJ” High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.
56 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
43 citations,
July 1984 in “Clinical and Experimental Dermatology” Antiandrogen therapy helped increase hair growth in women with hormonal imbalances related to baldness.
41 citations,
May 2005 in “International Journal of Cosmetic Science” Human hair contains various lipids that vary among individuals and help protect the hair.
40 citations,
September 2018 in “Journal of the American Academy of Dermatology” Tofacitinib helped some young children with severe hair loss grow their hair back without bad side effects.
35 citations,
January 2009 in “Indian Journal of Dermatology, Venereology and Leprology” Older adults commonly experience wrinkles, itchy skin, psoriasis, fungal infections, skin growths, grey hair, hair loss, and nail ridging, but no skin cancer was found in this group.
34 citations,
February 2013 in “The Journal of Clinical Endocrinology and Metabolism” Many young Italian women have hyperandrogenic disorders like PCOS, which are linked to age, body weight, and insulin resistance.
34 citations,
May 2007 in “PubMed” Balding in men is strongly linked to high blood pressure and family history.
32 citations,
December 2004 in “BMC Public Health” Men can report their own balding patterns well enough for large health studies.
31 citations,
September 2015 in “BJUI” Men with benign prostatic hyperplasia are more likely to have metabolic syndrome than those without it.
26 citations,
June 2000 in “Journal of The American Academy of Dermatology” Men with balding at age 45 had higher IGF-1 and lower IGFBP-3, suggesting these factors might be important in male pattern baldness.
24 citations,
April 2017 in “Journal of Investigative Dermatology” Age, smoking, and lower BMI increase facial wrinkles; men wrinkle more than women, except in old age; pale skin and certain hormonal factors can protect against wrinkles.
21 citations,
January 2017 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Acne is an important sign of androgen excess disorders in women.
21 citations,
January 2010 in “International journal of trichology” Trichoscopy can diagnose monilethrix, a genetic hair defect causing hair thinning and loss.