June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
9 citations
,
October 1982 in “PubMed” September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
January 2023 in “Bio web of conferences/BIO web of conferences” The document concludes that specific dermoscopic features can help diagnose different facial red skin conditions.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
26 citations
,
January 2018 in “Annals of dermatology/Annals of Dermatology” Hair graying may be caused by stem cell depletion from stress or melanocyte damage.
6 citations
,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
December 2025 in “Applied and Computational Engineering” Hair dyes can be harmful, but risks vary by person and can be reduced.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
2 citations
,
November 2004 in “Blood” RXRa is crucial for Th2 immune cell development and may link nutrition to immune health.
3 citations
,
February 2011 in “Journal of Biomedical Research/Journal of biomedical research” A new mutation in the KRT86 gene was found to cause the hair disorder monilethrix in a Han family.
2 citations
,
January 1972 Hair can measure exposure to radioisotopes.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
January 2002 in “Agritrop (Cirad)” The hr gene is linked to hair loss in Valle del Belice sheep.
50 citations
,
September 2009 in “Molecular Genetics and Metabolism” A new gene mutation causes vitamin D resistance and rickets, treatable with calcium therapy.
March 2025 in “International Journal of Trichology” Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
1 citations
,
January 2022 in “Electronic Imaging” A new method accurately captures and renders hair color for virtual reality and hair dye use.
December 2023 in “Forensic science international. Genetics” The RapidHIT ID system can effectively get DNA profiles from hair roots with enough cells.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
17 citations
,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
June 2025 in “Clinical Cosmetic and Investigational Dermatology” Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.
36 citations
,
January 2010 in “Journal of Pediatric Endocrinology and Metabolism” A new gene mutation causes vitamin D resistance and hair loss in two unrelated girls.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
7 citations
,
December 1956 in “Science” 1 citations
,
December 1956 in “Science” 1 citations
,
October 1993 in “PEDIATRICS” Using hot curling irons and hair gels can cause seizures in young black girls during hair grooming.
8 citations
,
November 2019 in “Journal of Trace Elements in Medicine and Biology” Higher hair iron levels are linked to changes in brain structure and function.