501 citations
,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
438 citations
,
October 2010 in “Oncogene” Keratins help protect cells, aid in cancer diagnosis, and influence cancer behavior and treatment.
421 citations
,
April 2012 in “The New England Journal of Medicine” Alopecia Areata is an autoimmune condition causing hair loss with no cure and treatments that often don't work well.
401 citations
,
January 2013 in “Postepy Dermatologii I Alergologii” The paper concludes that understanding melanocyte development can help in insights into skin diseases and melanoma diversity.
349 citations
,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
234 citations
,
April 2000 in “Gene” Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.
211 citations
,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
209 citations
,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
200 citations
,
November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
192 citations
,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
188 citations
,
May 2009 in “Plant physiology” Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.
168 citations
,
December 1986 in “Cancer Chemotherapy and Pharmacology” Epirubicin is as effective as doxorubicin for cancer treatment with less heart damage, but doesn't work on doxorubicin-resistant cancers.
152 citations
,
January 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
126 citations
,
January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
112 citations
,
May 2020 in “Nature Communications” Adult fibroblasts help heart cells mature and improve heart function.
112 citations
,
January 2014 in “Molecular and cellular therapies” Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.
109 citations
,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
107 citations
,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
96 citations
,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
96 citations
,
January 1997 in “Clinics in Dermatology” Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.
92 citations
,
August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
90 citations
,
October 1996 in “Dermatologic Clinics” Growth factors are crucial for hair development and could help treat hair diseases.
85 citations
,
October 2012 in “Dermatologic Clinics” Alopecia Areata is an autoimmune condition often starting before age 20, with varied treatment success and a need for personalized treatment plans.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
76 citations
,
November 2009 in “Medical Clinics of North America” Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.
75 citations
,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.