April 2010 in “Cancer Research” CDK4 levels affect the number of hair follicle stem cells in mice.
56 citations
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February 2012 in “Developmental biology” Sostdc1 controls the size and number of hair and mammary gland structures.
14 citations
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September 2020 in “Journal of the American Academy of Dermatology” Electrical impedance spectroscopy improves biopsy accuracy and efficiency for skin lesions.
1 citations
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January 2022 in “Cell Biology International” Changing CDK4 levels affects the number of stem cells in mouse hair follicles.
April 2026 in “Research Square” COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function.
September 2021 in “Fertility and Sterility” Older men have different fertility histories and factors affecting fertility, suggesting they may benefit from earlier fertility evaluations.
September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” A girl with excessive hair growth had a genetic change on chromosome 17 that reduced the activity of two genes linked to hair growth.
April 2011 in “Reactions Weekly” 231 citations
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December 1999 in “Journal of Investigative Dermatology” Hair follicle size is mainly influenced by the number of cells and extracellular matrix volume, with cell number having a larger impact.
40 citations
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January 2013 in “Frontiers in Endocrinology” Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.
29 citations
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June 1998 in “Developmental Biology” More melanoblasts in hair follicles mean better survival and proper hair pigmentation.
28 citations
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February 2011 in “Clinical Endocrinology” Women with PCOS have unhealthy changes in their cholesterol particles that are not related to their body weight.
1 citations
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October 2025 in “International Journal of Molecular Sciences” Mutating the gmds gene in zebrafish increases hair cell numbers and regeneration.
1 citations
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September 2022 in “Aesthetic Surgery Journal”
January 2025 in “SKIN The Journal of Cutaneous Medicine” Some patients on Baricitinib for alopecia areata lost response, often linked to longer and more severe initial conditions.
July 2009 in “Hair transplant forum international” Hair restoration demand increased by 26% from 2006 to 2009.
July 2007 in “Hair transplant forum international” Hair restoration procedures have become 34% more popular worldwide since 2004.
June 2003 in “Obstetrical & Gynecological Survey” Examining more lymph nodes can improve survival rates in breast cancer patients without lymph node involvement.
June 2021 in “Aesthetic Surgery Journal” PRP improves hair growth in AGA, but higher concentrations aren't significantly better than lower ones.
6 citations
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January 2016 in “Evidence-based complementary and alternative medicine” Saw palmetto supplements may reduce prostate cancer cell growth without being toxic.
6 citations
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November 2012 in “Hair transplant forum international” The Laxometer helps make hair transplants with many grafts safer.
5 citations
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September 2015 in “Journal of The American Academy of Dermatology” Taking photos of your own skin can lead to fewer skin biopsies for mole monitoring.
4 citations
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January 2012 in “International Society of Hair Restoration Surgery” Combining FUE and strip surgery increases hair harvested in one session and keeps options open for future transplants.
July 2018 in “Hair transplant forum international” To prevent thinning in the donor area, harvest less than 50% of the original hair density in repeat hair transplants.
70 citations
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February 2018 in “Seminars in Arthritis and Rheumatism” Belimumab reduces disease activity, steroid use, and flares in lupus patients.
57 citations
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October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.
34 citations
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July 2006 in “The Journal of Comparative Neurology” Increasing neurotrophin 4 in skin boosts nerve endings but not sensory neuron count.
11 citations
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September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
3 citations
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December 2016 in “Blood” PRP treatment can increase hair growth in male pattern baldness, but this effect is not linked to the levels of growth factors or the number of platelets.