116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
115 citations,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
107 citations,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
100 citations,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
96 citations,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
93 citations,
January 2016 in “British Journal of Dermatology” Eating a high-glycemic diet may worsen acne by increasing certain protein levels and expressions in the skin.
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.
90 citations,
June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
90 citations,
January 2003 in “The Journal of Urology” Finasteride may reduce prostate bleeding by lowering blood vessel growth factor levels and blood vessel density in certain prostate areas.
89 citations,
October 1996 in “Dermatologic Clinics” Alopecia areata is likely caused by a combination of genetic factors and immune system dysfunction, and may represent different diseases with various causes.
88 citations,
June 2009 in “Cleveland Clinic Journal of Medicine” To manage diffuse hair loss, identify the cause, improve nutrition, remove triggers, and use specific treatments like minoxidil or finasteride.
86 citations,
June 2017 in “Stem cell investigation” Stem cells from hair follicles can safely treat hair loss.
85 citations,
October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
84 citations,
July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
81 citations,
June 2014 in “Cold Spring Harbor perspectives in medicine” Skin has specialized touch receptors that can tell different sensations apart.
81 citations,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
77 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
76 citations,
April 2005 in “Cancer Epidemiology, Biomarkers & Prevention” E211 G>A gene linked to lower risk of severe prostate cancer and hair loss.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
72 citations,
April 2008 in “Organogenesis” Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.
71 citations,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
69 citations,
April 2019 in “Biomedicines” PRP and HF-MSCs treatment improves hair growth, thickness, and density in androgenetic alopecia.
69 citations,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
68 citations,
May 2012 in “Annals of Oncology” Some breast cancer chemotherapy can cause permanent hair loss.
67 citations,
September 2008 in “Dermatologic therapy” Hirsutism is excessive hair growth in women often caused by polycystic ovarian syndrome, and identifying the cause is important for managing associated health risks.
66 citations,
June 2010 in “Experimental Dermatology” The hair follicle is a great model for research to improve hair growth treatments.
63 citations,
March 2011 in “Clinical Endocrinology” Evaluate postmenopausal women with high androgen levels using medical history, physical exams, lab tests, and imaging to manage health risks.
63 citations,
May 2000 in “Australasian Journal of Dermatology” Chemotherapy and bone marrow transplant can cause permanent hair loss.
63 citations,
January 1984 in “Journal of Investigative Dermatology” Minoxidil promotes hair growth by increasing cell division and DNA synthesis.