24 citations
,
December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
4 citations
,
April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
Dark hair with a red beard likely evolved for camouflage, not attraction.
13 citations
,
July 1973 in “Archives of dermatology” Tight cornrow braids may cause hair loss.
October 2001 in “Science news” Understanding hair growth and loss is complex, involving genetic and molecular factors.
5 citations
,
January 2016 in “International Journal of Trichology” Erlotinib can cause hair loss and texture changes.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
52 citations
,
October 1997 in “American Journal of Psychiatry” Trichotillomania is a complex condition involving compulsive hair pulling that causes distress and hair loss.
15 citations
,
June 2012 in “British Journal of Dermatology” A new mutation in the KRT86 gene causes a hair disorder with variable expression.
7 citations
,
May 2019 in “Acta Orthopaedica et Traumatologica Turcica” Hair tourniquet syndrome in infants can be treated successfully with immediate hair removal.
6 citations
,
November 2018 in “Dermatologic Therapy” Wearing a ponytail often is linked to hair loss at the front of the scalp in Chinese women.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
7 citations
,
January 1990
August 2021 in “Acta medica Philippina” A girl's hair loss was found to be caused by both a hair-pulling disorder and another hair loss condition.
7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
January 2026 in “Health Science Reports” Personalized hair care can help manage hair-focused repetitive behaviors.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
14 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
22 citations
,
July 2006 in “Annals of The Royal College of Surgeons of England” Hair or fiber wrapped tightly around a toe can lead to serious injury if not treated quickly.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
42 citations
,
January 2005 in “Applied spectroscopy” Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
2 citations
,
January 2017 Hair movement can indicate hair quality and health.
December 2008 in “The Internet journal of surgery” A 16-year-old girl with a hair-eating disorder needed surgery to remove a hairball from her stomach and small bowel.
April 2023 in “Journal of Investigative Dermatology” Mutations in the SHH pathway in certain skin cells can cause skin tumors and abnormal hair growth.
September 2014 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” OCT can effectively examine and reveal details about human hair and scalp conditions.
3 citations
,
May 1964 in “Nature”
8 citations
,
March 2014 in “Dermatologic Clinics” Specialized techniques are needed for hair restoration in individuals with curly Afrocentric hair due to unique challenges.
2 citations
,
January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.