40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
10 citations
,
January 2015 in “International Journal of Trichology” Mechanical stress contributes to hair loss in androgenetic alopecia.
June 2012 in “Springer eBooks” Eating disorders can cause various hair problems, and while hair loss in these disorders is linked to metabolic syndrome, treatment focuses on specific medications and lifestyle changes for the syndrome.
16 citations
,
October 2012 in “British Journal of Dermatology” Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.
January 2024 in “Pediatric Dermatology” Minoxidil improved hair growth in a child with a rare genetic disorder.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
13 citations
,
December 2010 in “Archives of Dermatology” Minoxidil use can cause trichostasis spinulosa in long-term hair loss patients.
3 citations
,
January 2011 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Male mice have thicker skin, causing more light scattering than females.
March 2026 in “Journal of Skin and Sexually Transmitted Diseases” Long hair can cause hair loss in the middle of the scalp, and cutting it shorter helps.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
November 2016 in “Der Hautarzt” Hair thinning on top of the head is common in female androgenetic alopecia.
69 citations
,
August 2006 in “Behavior Therapy” Group behavior therapy reduces hair-pulling symptoms more than supportive therapy but has limited long-term effectiveness.
5 citations
,
January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Spiny mice have a unique skin structure that helps them heal and regenerate quickly.
January 2026 in “Figshare” January 2026 in “Figshare”
3 citations
,
December 2001 in “Irish Journal of Psychological Medicine” Trichotillomania is a challenging-to-treat impulse-control disorder where individuals pull out their hair, more common in females, with some treatments showing benefits.
7 citations
,
March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
1 citations
,
June 2022 in “Movement disorders clinical practice” A patient with Wilson's disease showed hair-pulling behavior as an initial symptom.
1 citations
,
January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
7 citations
,
November 2004 in “International Journal of Cosmetic Science” Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
January 2015 in “The Encyclopedia of Clinical Psychology” Habit reversal training effectively treats hair-pulling disorder in both adults and children.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
March 2014 in “Journal of The American Academy of Dermatology” Azathioprine may help with severe hair loss, a new topical treatment could counteract hair thinning, and trichoscopy can diagnose hair-pulling disorder effectively.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.