January 2017 in “Journal of Cosmetics, Dermatological Sciences and Applications” Chinese women's hair gets thinner and grayer with age, and scalp conditions change, especially after 40.
September 2006 in “Plastic and Reconstructive Surgery” Hair transplant surgeries can be improved by preserving follicles in a special solution, and surgeries done at outpatient facilities are more profitable than those at hospitals.
December 2024 in “Skin Appendage Disorders” Traction alopecia reduces hair density and thickness; proper hair care can help prevent it.
January 1996 in “Springer eBooks” Balding doesn't reduce the number of hair follicles, it just makes them smaller.
2 citations
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January 2017 in “International Journal of Trichology” Trichoscopy can reveal specific hair and scalp changes in linear morphea.
314 citations
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April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
233 citations
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March 2009 in “Journal of Clinical Oncology” Chemotherapy reduces taste and smell, but they mostly recover after treatment; adding spices may help improve appetite.
226 citations
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September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
211 citations
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November 1990 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively treats BPH, but needs more trials to understand potential.
195 citations
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
194 citations
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March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
155 citations
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March 2006 in “The American Journal of Medicine” Women with PCOS have heart-related issues not because of obesity, but due to insulin resistance and low adiponectin levels.
151 citations
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December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
145 citations
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December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.
144 citations
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September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
142 citations
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September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
142 citations
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February 1985 in “Fertility and sterility” Spironolactone reduced hair thickness and some testosterone levels in women with excessive hair growth.
140 citations
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April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
137 citations
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June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
136 citations
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January 2004 in “Neuroscience” Testosterone increases seizure risk through its conversion to specific neurosteroids.
136 citations
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March 1998 in “Oncogene” Overexpression of E2F1 can lead to skin tumors and disrupt hair growth.
126 citations
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October 2012 in “PLoS ONE” Reduced cytokinin levels help plants adapt to low potassium by increasing root hair growth and potassium uptake.
125 citations
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September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
122 citations
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April 2020 in “American Journal Of Pathology” Skin aging is a complex process influenced by various factors, leading to wrinkles and sagging, and should be considered a disease due to its health impacts.
122 citations
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July 1990 in “Teratology” Finasteride exposure in pregnancy causes genital abnormalities in male rats.
116 citations
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September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
104 citations
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June 2020 in “Journal of Endocrinology” Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
101 citations
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January 2012 in “Annals of Dermatology” Men with hair loss experience lower quality of life, worsened by factors like age, severity, and treatment history.
99 citations
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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.
99 citations
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April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.