May 1999 in “Medicine & Science in Sports & Exercise” The gymnast's wrist pain and delayed menstruation are linked to intense exercise, requiring reduced activity and monitoring.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
1 citations
,
January 2013 in “Pediatric Annals” The girl's thin hair was due to loose anagen syndrome, not other hair loss types.
67 citations
,
August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
2 citations
,
May 1979 in “PubMed” Monilethrix is not caused by a metabolic defect.
January 2024 in “Wiadomości Lekarskie” Bisphosphonate therapy can cause jawbone necrosis, so dental care is crucial before and during treatment.
97 citations
,
March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
28 citations
,
November 2019 in “Gene” The ITGB6 gene is important for tissue repair and hair growth, and mutations can lead to enamel defects and other health issues.
28 citations
,
December 1999 in “British Journal of Plastic Surgery”
134 citations
,
January 2011 in “Development” Adam10 enzyme is crucial for healthy skin and proper Notch signaling.
June 2023 in “British Journal of Dermatology” A person with Werner syndrome was initially thought to just have female pattern hair loss.
9 citations
,
February 2021 in “Frontiers in Cell and Developmental Biology” Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
August 2004 in “Veterinary Dermatology” A Brittany spaniel's skin issues from cephalexin improved with treatment, showing drug-induced pemphigus foliaceus.
1 citations
,
September 2016 in “British Journal of Dermatology” Women with aging signs and heart issues have higher hair loss risk, which may predict shorter lifespan and affect attractiveness.
January 2005 in “Lithuanian University of Health Sciences” Hair loss may be linked to imbalances in trace elements.
September 2019 in “Journal of Investigative Dermatology” Scientists used stem cells to create a model of the skin disease Epidermolysis Bullosa simplex, which helped them understand its molecular mechanisms and could aid in finding treatments.
10 citations
,
November 2015 in “American Journal of Primatology” Monkeys with more anxious or inhibited temperaments tend to have less hair loss.
9 citations
,
March 2019 in “Molecular & cellular proteomics” Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.
November 2024 in “Journal of Investigative Dermatology” Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.
4 citations
,
November 2020 in “Journal of Investigative Dermatology Symposium Proceedings” The Brigham Eyebrow Tool for Alopecia is a simple and reliable way to measure eyebrow hair loss.
July 2025 in “International Journal of Trichology” A 6-year-old boy's leg hair loss was due to friction from sitting cross-legged, and it usually resolves on its own.
26 citations
,
October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
39 citations
,
July 2015 in “British Journal of Dermatology” The pseudo 'fringe sign' can also appear in frontal fibrosing alopecia, not just in traction alopecia, showing that this condition may be more common than thought.
245 citations
,
January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
99 citations
,
August 2009 in “Nature Genetics” Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
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.
October 2020 in “Pediatrics in Review” The newborn was diagnosed with a rare skin disorder causing blisters, which requires careful wound care and family support.