Stress significantly contributes to hair loss, especially in women and those aged 31-40.
October 2023 in “Èkologiâ čeloveka” People in Moldova have less selenium in their hair than recommended, which may contribute to hair loss.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” About one-third of Saudi women with female pattern hair loss also have thinning hair at the back of their head.
July 2023 in “Deleted Journal” Androgenetic alopecia is more common in Saudi men than women.
October 2020 in “Indian Journal of Forensic Medicine & Toxicology” Most people in Raichur have loop fingerprint patterns.
April 2020 in “IP Indian journal of clinical and experimental dermatology” Many children with alopecia areata also have other autoimmune diseases.
November 2018 in “International Journal of Research in Dermatology” Teaching kids about hygiene can reduce scalp infections.
June 2014 in “The Journal of Urology”
February 2010 in “Journal of The American Academy of Dermatology” Social or cultural norms, not hair type, more likely influence how often people wash their hair.
June 2004 in “Annales de Dermatologie et de Vénéréologie” 45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal papilla cells are crucial for hair growth and can induce new hair follicles.
1 citations
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October 2021 in “Journal of The American Academy of Dermatology” The document concludes that treatments for hair loss in transgender and gender-diverse individuals include topical solutions, oral medications, laser therapy, and hair restoration procedures, with progress assessed after 6-12 months.
April 2023 in “Journal of Investigative Dermatology” Skin cells and immune cells change in a skin condition called hidradenitis suppurativa, and a certain treatment can improve these changes.
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Stem and progenitor cells in the eye have different division rates and locations, affecting how they respond to injury.
503 citations
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May 2009 in “Cell stem cell” Lrig1 marks a unique group of stem cells in mouse skin that can become different skin cell types.
236 citations
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April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
225 citations
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April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
221 citations
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January 2014 in “Human Reproduction” Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.
112 citations
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July 2020 in “BMC Medicine” Women with PCOS may be at higher risk for severe COVID-19.
101 citations
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May 2014 in “PLOS ONE” Women with PCOS have a higher chance of experiencing depression, anxiety, and sleep disorders.
89 citations
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August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
75 citations
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May 2013 in “Journal of the American Academy of Dermatology” Zinc deficiency in children can cause skin issues and can be serious if not diagnosed and treated properly.
64 citations
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January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
60 citations
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January 2021 in “BMC Genomics” The study mapped genetic variations in sheep, linking them to traits like milk production and growth.
46 citations
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October 2018 in “JCI insight” CD8+ T cells are involved in alopecia areata and may cause disease relapse.
46 citations
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August 2006 in “PubMed” A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.
45 citations
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July 2009 in “Journal of human genetics” A gene variation is linked to hair thickness in Asians.
42 citations
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October 2004 in “Experimental and Clinical Endocrinology & Diabetes” The main cause of excessive hair growth in Turkish women is Polycystic ovary syndrome, but in about one fifth of cases, the reason for high male hormone levels is unknown.
37 citations
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May 2021 in “Frontiers in Cell and Developmental Biology” Ng2+ perivascular cells in mouse skin come from specific fibroblast types and help in tissue repair.