21 citations,
September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
20 citations,
February 2020 in “Stem Cells” Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.
20 citations,
July 2015 in “Journal der Deutschen Dermatologischen Gesellschaft” Green tea may help with skin health and protect against UV damage, but more research is needed to confirm its safety and effectiveness.
19 citations,
May 2016 in “Aging Cell” Older people's sweat glands are less effective at helping skin wounds heal due to weaker cell connections.
19 citations,
August 2012 in “Cell death and differentiation” Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.
19 citations,
March 1988 in “International Journal of Dermatology” Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
16 citations,
November 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
16 citations,
December 2001 in “Dermatologic Therapy” Alopecia areata has a complex genetic basis that was not fully understood as of 2001.
15 citations,
November 2020 in “American Journal of Pathology” Insulin helps heal corneal wounds and nerves in diabetic mice by activating the Wnt signaling pathway.
15 citations,
April 2016 in “Eye” Finasteride effectively treats central serous chorioretinopathy.
15 citations,
September 2015 in “Journal der Deutschen Dermatologischen Gesellschaft” Skin doctors should recognize and treat conditions like hair-pulling and skin-picking early, often using therapy and medication, to help 50-70% of patients.
15 citations,
August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
15 citations,
January 2002 in “Gynecological endocrinology” Hormones affect skin aging and fat distribution, and treatments can help, but only minoxidil is proven for female hair loss.
14 citations,
September 2019 in “Saudi pharmaceutical journal” Microparticles help caffeic acid stay longer in hair follicles for better treatment of folliculitis.
14 citations,
May 2019 in “Facial Plastic Surgery Clinics of North America” Hair transplantation can help transgender patients affirm their gender identity.
14 citations,
October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
14 citations,
July 2017 in “Monatshefte für Chemie - Chemical Monthly” Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
14 citations,
January 2016 in “Elsevier eBooks” Liposomes improve the delivery and effectiveness of cosmetic ingredients but face challenges like cost and stability.
14 citations,
November 2013 in “Journal of the American Society for Horticultural Science” Glycine slows main root growth but boosts root hair growth in habanero peppers.
14 citations,
March 2012 in “Proteins” Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.
12 citations,
October 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations,
March 2015 in “Bioscience, Biotechnology, and Biochemistry” Genetically modifying a bacteria and changing its growth conditions significantly increased the production of a chemical called dipicolinic acid.
12 citations,
November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
11 citations,
July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
11 citations,
June 2021 in “Journal of Bioscience and Bioengineering” Adding human fat-derived stem cells to hair follicle grafts greatly increases hair growth.
11 citations,
January 2017 in “Journal of cell science” AGD1's PH domain is essential for its role in root hair growth and polarity.
11 citations,
February 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
11 citations,
January 2011 in “Developmental neurobiology” Ptprq has multiple forms that change during inner ear development.