4 citations,
December 2012 in “Human Biology” The most different genetic segment between Africans and East Asians is the EDA2R/AR region, with two main types influenced by population changes and natural selection, and linked to baldness.
1 citations,
July 2018 in “Elsevier eBooks” Many treatments for hair loss show potential, but more testing is needed to confirm their effectiveness. Only minoxidil for women and minoxidil and finasteride for men are FDA approved.
Ingesting minoxidil can cause serious heart problems and requires urgent medical treatment.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
May 2014 in “Transfusion and Apheresis Science” The study found that the quality of cord blood units remains consistent before freezing and after thawing, indicating that attached tube segments reliably represent the graft's properties.
36 citations,
November 2018 in “American Journal of Clinical Dermatology” Alopecia is linked to various health and mental conditions, impacts life quality, and needs medical attention beyond its cosmetic effects.
36 citations,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
January 2021 in “Natural Products Chemistry & Research” Combining Datura metel leaf and flower extracts can enhance hair growth without skin irritation.
19 citations,
August 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” Certain plant extracts can effectively treat skin conditions like athlete's foot, chronic vein problems, sun damage, skin growths, vitiligo, and hair loss, and may also improve skin appearance.
152 citations,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
April 2023 in “Dermatologica Sinica” Sex hormones affect hair growth and loss, and treatments for related hair diseases include various medications, hair transplantation, and light therapy.
51 citations,
January 1989 in “Journal of Investigative Dermatology” Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.
33 citations,
April 2012 in “British Journal of Dermatology” Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.
30 citations,
October 2010 in “Biochemical and biophysical research communications” The Gsdma3 gene is essential for normal hair development in mice.
28 citations,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
14 citations,
May 2019 in “Journal of Maxillofacial and Oral Surgery” FUE hair transplant is a promising method with benefits like less scarring, but requires a skilled surgeon and can damage hair follicles.
14 citations,
April 2013 in “Journal of dermatological science” Hairless protein reduces Msx2 gene activity, affecting hair follicle development.
13 citations,
April 2009 in “PLOS ONE” No clear link between androgen receptor variation and hair loss, but more research needed.
7 citations,
July 2012 in “Regenerative Medicine” New treatments for diabetes, central nervous system repair, and cartilage injury were found, and a way to create functional hair follicles from stem cells was developed.
4 citations,
January 2016 in “Case reports in dermatological medicine” A man had temporary hair loss from radiation during a medical procedure but regrew his hair after treatment with minoxidil lotion.
1 citations,
December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
1 citations,
April 2015 in “Current problems in dermatology” The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
May 2023 in “International journal of molecular sciences” The ABCA4 gene protects hair follicle stem cells from toxic vitamin A byproducts.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study suggests a link between varicella-zoster virus and segmental vitiligo, with evidence of the virus disrupting skin pigment cells.
August 2022 in “Archives of pediatric surgery” Hair-Thread Tourniquet Syndrome is a rare condition where hair or thread tightly wraps around a child's body part, requiring quick treatment to prevent damage.
February 2013 in “Journal of The American Academy of Dermatology” Using hair loss drugs finasteride and dutasteride may cause sexual side effects.
April 2023 in “Chinese Medical Journal” Human hair follicle stem cells help repair tendon injuries.
141 citations,
November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.