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June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
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January 2000 in “Journal of Andrology” CAG repeat polymorphism and prostate zone volume are not reliable markers of long-term androgen sensitivity.
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January 2007 in “Dermatology” Sex-determining genes may affect male baldness.
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April 2017 in “International Journal of Dermatology” Different areas of the scalp have varying hair thickness, useful for different types of hair transplant needs.
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November 2018 in “Clinical and Experimental Dermatology” Acne is more common in men with male pattern baldness due to increased hormone levels.
29 citations
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July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
1 citations
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December 2024 in “BMC Genomics” Nuptial pads in Chinese brown frogs change seasonally due to specific gene activity.
January 2020 in “International journal of scientific research” Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
10 citations
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May 2017 in “Symmetry” Higher androgen levels are linked to less asymmetry in !Kung San males.
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November 1984 in “Journal of Investigative Dermatology” 7 citations
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January 2019 in “Journal of clinical medicine research” Menopause causes significant changes in the vaginal introitus, but less so in the labia majora, which may lead to symptoms of vaginal atrophy.
January 2019 in “Central European Journal of Urology”
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July 2010 in “International Society of Hair Restoration Surgery” Recognizing racial differences in anatomy helps make hair transplants safer.
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October 2004 in “Humana Press eBooks” Epidermal growth factor stops hair follicle formation in developing mouse skin.
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
May 2026 in “Journal of International Medical Research” Atrichia with papular lesions causes irreversible hair loss from infancy and is often misdiagnosed.
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July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.
February 2025 in “Journal of the American Academy of Dermatology” Standardized treatment protocols are needed for children with androgenetic alopecia.
April 2025 in “Current Pediatrics Reports” Transgender and gender-diverse teens need specialized skin and mental health care.
11 citations
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January 2011 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Adolescents and young adults with Prader-Willi syndrome show a range of sexual interests and behaviors.
September 2025 in “Medicine & Science in Sports & Exercise” Gender-affirming hormone therapy and surgery affect gut bacteria differently.
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January 2014 in “Human Development” Adolescent sexual development should focus on positive aspects, including biological, psychological, and contextual factors, and recognize individual differences and the role of pleasure.
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September 2012 in “The Journal of Urology” Early hair loss may indicate future prostate issues.
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January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
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March 2019 in “Journal of Histochemistry and Cytochemistry” Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
October 2025 in “Indian Journal of Paediatric Dermatology” The infant's hair loss resolved naturally by 20 months without treatment.
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January 2000 in “Der Hautarzt” Male hypogonadism affects skin and hair, causing thin skin, less hair, and skin reactions to treatment.
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October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
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April 2007 in “Journal of Andrology” Excessive pre-ejaculation can be treated with certain medications.