6 citations
,
July 2015 in “International Journal of Dermatology” Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.
Low ferritin and vitamin D levels are linked to hair loss.
October 2005 in “CRC Press eBooks” Telogen effluvium is a condition where hair falls out due to various factors like illness, stress, or nutrient deficiency.
63 citations
,
October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
February 2026 in “PubMed” PRP-based treatments can increase hair density, but results vary among individuals.
37 citations
,
August 2020 in “BMC Genomics” Hair greying is mainly influenced by age, with genetics playing a smaller role.
90 citations
,
January 2002 in “Dermatology” Kenogen is a resting phase in hair follicles that may contribute to baldness, especially in androgenetic alopecia.
169 citations
,
May 2006 in “Genes & Development” Keratin 17 is crucial for normal hair growth by regulating hair cycle transitions with TNFα.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
6 citations
,
January 2020 in “Czech Journal of Animal Science” The FAT1 gene and its variations can help improve wool quality in Chinese Merino sheep through selective breeding.
1 citations
,
May 2016 in “Dermatologic Surgery” The document concludes that using a phototrichogram with a protractor and tapeline is a reliable and noninvasive way to measure hair loss.
7 citations
,
May 2010 in “Journal of Cutaneous Pathology” A new genetic area linked to a rare hair loss condition was found on chromosome 13 in a Chinese family.
April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
September 2022 in “Canadian journal of animal science” Certain gene variations are linked to the thickness of cashmere goat hair.
37 citations
,
January 2023 in “Ophthalmology and Therapy” Low-level red light therapy can shorten eye length in some myopic children.
December 2025 in “Cureus” Low serum ferritin is linked to hair loss in women.
January 2026 in “JAAD International” 10 citations
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June 2024 in “Frontiers in Genetics” Different sheep breeds share similar genetic factors affecting wool fineness.
79 citations
,
June 1993 in “Molecular and Cellular Biology” The K5 promoter controls gene expression in skin cells, with specific DNA segments crucial for targeting and regulation.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
2 citations
,
September 2012 in “Turk Dermatoloji Dergisi” Low levels of ferritin and vitamin B12 are common in women with telogen effluvium, but the link between nutrient deficiencies and the condition is not clear.
April 2024 in “Cellular signalling” Activating TRPMLs helps human cells important for hair growth and increases hair growth in mice.
Telogen effluvium (TE) is a prevalent form of non-scarring alopecia that results in excessive shedding of telogen club hairs, making it a common cause of hair loss, especially among women.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
January 2018 in “Genetic engineering & biotechnology news” A genetic mutation linked to longer life and less disease was found in the Amish, and a drug is being developed to replicate these benefits.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
7 citations
,
May 1979 in “Medical & biological engineering & computing” The trichometer accurately measures hair growth and is easy to use.
1 citations
,
February 2009 in “Clinical Genetics” New genes linked to male pattern baldness were found on chromosome 20p11.
June 2023 in “Benha Journal of Applied Sciences” People with chronic hair shedding have lower antioxidant levels in their blood compared to healthy individuals.