34 citations,
January 1997 in “Skin Pharmacology and Physiology” Minoxidil affects cell growth in two ways: low doses increase growth, while high doses slow it down and can be toxic.
33 citations,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
30 citations,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
29 citations,
September 2012 in “Dermatologic Clinics” Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
28 citations,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
27 citations,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
27 citations,
August 2014 in “Wiley interdisciplinary reviews. Developmental biology” The skin and thymus develop similarly to protect and support immunity.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
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.
18 citations,
January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.
18 citations,
January 2019 in “Animal Biotechnology” A newly found RNA in Cashmere goats may play a role in hair growth and development.
18 citations,
January 2016 in “Skin appendage disorders” The paper suggests improving diagnosis and treatment of telogen effluvium but does not recommend a new classification system.
17 citations,
December 2004 in “The Journal of Men's Health & Gender” Male pattern baldness involves hormone-related hair thinning, shorter hair, and inflammation.
16 citations,
September 2018 in “Journal of Ethnopharmacology” Plant-based remedies may treat hair loss by reducing inflammation and improving insulin resistance.
16 citations,
December 2001 in “Dermatologic Therapy” Alopecia areata has a complex genetic basis that was not fully understood as of 2001.
15 citations,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
15 citations,
August 2006 in “Journal of Cutaneous Pathology” HIV-1 may cause increased stem cell death in hair follicles, leading to hair loss.
12 citations,
February 2014 in “Recent Patents on Inflammation & Allergy Drug Discovery” Shampoos have evolved into multifunctional products with patented innovations for different hair needs and can include medicinal herbs for hair and scalp health.
11 citations,
December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
11 citations,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
10 citations,
October 2014 in “Journal of Ovarian Research” The IRS-2 Asp/Asp genotype may increase the risk of PCOS in Chinese women, especially if they are not obese.
10 citations,
November 2010 in “Journal of Dermatology” Longer CAG repeats in gene linked to more severe hair loss in females.
9 citations,
May 2021 in “Dermatologic Therapy” Possible link between androgens and COVID-19 severity; more research needed.
9 citations,
February 2020 in “International Journal of Endocrinology” Some men with early hair loss may have a male version of PCOS, affecting hormones and increasing health risks.
9 citations,
July 2018 in “Current Pharmaceutical Design” HO-1 helps skin health and healing but can worsen melanoma; it's a potential treatment target for skin diseases.
8 citations,
October 2019 in “Immunological investigations” The AIRE gene variant rs2075876 is linked to a higher risk of alopecia areata in males.
8 citations,
February 2015 in “Cellular immunology” Deleting Snai2 and Snai3 causes fatal autoimmunity.
7 citations,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.