August 2012 in “Nature Cell Biology” The tumor suppressor BRCA2 helps in cell division by bringing key proteins to the area where cells split.
43 citations
,
September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
2 citations
,
January 2018 in “European journal of pediatric surgery reports” A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.
December 2025 in “ILDS-DEV”
April 2026 in “Diagnostics” Parry–Romberg Syndrome can involve the brain even without obvious symptoms, and a new diagnostic framework is suggested for early detection.
13 citations
,
November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
17 citations
,
June 2001 in “Journal of the National Cancer Institute” A specific hair diffraction pattern may indicate breast cancer if tested with the correct method.
44 citations
,
September 2012 in “Archives of Dermatology” Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.
1 citations
,
January 2021 in “Dermatology Review” A young man developed a rare, bilateral scalp condition after head trauma, causing hair loss but no neurological or eye issues.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
July 2025 in “Dermatology Practical & Conceptual” A 2-year-old boy has a rare hair disorder causing brittle hair and hair loss, which may improve with age.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
1 citations
,
July 2018 in “JAMA dermatology” Poliosis causes white hair patches due to lack of melanin.
15 citations
,
October 2016 in “Journal of dermatological treatment” Proper hair care can prevent and stop hair breakage in people with acquired trichorrhexis nodosa.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
September 2016 in “Journal of Dermatological Science” Björnstad syndrome causes twisted hair from birth.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
August 2025 in “ChemPhotoChem” A new method using solid-state circular dichroism anisotropy can distinguish similar chiral compounds better than traditional techniques.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
5 citations
,
November 2021 in “Saudi medical journal” The document reports three sisters with Woodhouse-Sakati syndrome showing typical symptoms and unusual gynecological anomalies.
January 2025 in “International Journal of Trichology” Trichotillomania can occur in unusual patterns and sites, highlighting the need for awareness and treatment options.
85 citations
,
March 2002 in “Body & Society” The document concludes that cosmetic surgery is still mainly a practice for women and the gender gap in this field is expected to continue.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.