July 2017 in “The American Journal of Cosmetic Surgery” A patient's hair loss after a browlift surgery improved on its own over 8 months.
71 citations
,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
19 citations
,
May 2004 in “The American Journal of Dermatopathology” The research found that a specific gene mutation causes fewer hair follicles and disrupted hair growth cycles, leading to thin and short hair in people with Hypotrichosis with Juvenile Macular Dystrophy.
3 citations
,
June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
122 citations
,
April 1995 in “Journal of Cutaneous Pathology” The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.
94 citations
,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.
2 citations
,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
August 2024 in “Journal of Animal Science and Technology” Angora goat hair growth is influenced by gene expression, sex hormones, and breed differences.
November 1995 in “Journal of Pediatric Health Care” Most hair loss in kids and teens is due to common conditions, and hair usually grows back within 6 months.
April 2012 in “Informa Healthcare eBooks” Syphilitic alopecia is a rare hair loss condition in secondary syphilis that looks similar to another condition but can be diagnosed with specific tests and responds to antibiotics.
4 citations
,
March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
33 citations
,
September 1961 in “Archives of Dermatology” Colchicine causes rapid hair loss by damaging hair follicles.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
1 citations
,
February 1988 in “The BMJ” The document explains different hair and scalp conditions, including common hair loss after pregnancy or illness, drug-induced hair loss, hereditary excessive hair growth, patterned baldness, autoimmune hair loss, and permanent loss due to skin disease, with generally limited treatment options.
September 1961 in “Archives of Dermatology” Colchicine causes hair loss by damaging hair follicles.
6 citations
,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
4 citations
,
October 2018 in “Experimental Dermatology” Dermoscopy shows that diffuse alopecia areata progresses through specific hair growth stages.
375 citations
,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
103 citations
,
January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
10 citations
,
October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
31 citations
,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
23 citations
,
July 1982 in “International Journal of Dermatology” The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.
3 citations
,
January 2018 in “Dermatology” Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
April 2012 in “Informa Healthcare eBooks” Tight hairstyles can cause temporary or permanent hair loss, with less hair seen under a microscope in later stages.
28 citations
,
September 1998 in “Medical Clinics of North America” Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.
8 citations
,
June 2012 in “Australasian Journal of Dermatology” A rare form of alopecia causes hair thinning without bald spots and may be more common than thought, responding well to steroid treatment.
1 citations
,
October 2013 in “BMJ” A man's sudden hair loss and color change to white was diagnosed as alopecia areata and it improved on its own after six months.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.