January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
16 citations
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January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
3 citations
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January 1989 in “PubMed” The review found that specific changes in scalp tissue can help diagnose different types of hair loss.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
2 citations
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December 2019 in “Journal of Dermatological Treatment” Metabolic syndrome reduces effectiveness of hair loss treatment.
4 citations
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October 2022 in “American journal of physiology. Heart and circulatory physiology” Higher DHT levels are linked to worse heart changes in severe aortic valve stenosis patients.
1 citations
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January 2007 in “Jounal of The Korean Society of cosmetology” Hair loss treatments increased hair density and reduced hair loss in most men, but didn't improve hair thickness for everyone.
24 citations
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January 1996 in “The Prostate” Finasteride is a safe and effective long-term treatment for prostate enlargement, reducing prostate volume and related symptoms.
September 2015 in “Dermatologic Surgery” Computer-aided imaging system accurately measures baldness in Chinese women with hair loss.
October 2006 in “Urology” Combination therapy with Finasteride is more effective than alpha-blocker alone for BPH symptoms in small prostate volume.
36 citations
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June 2014 in “International Journal of Dermatology” Dutasteride helps hair growth in those unresponsive to finasteride, but may cause more sexual dysfunction.
17 citations
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January 2013 in “Our Dermatology Online” Dutasteride mesotherapy helps treat male hair loss but may harm sperm and sexual function.
December 2018 in “Reactions Weekly” Some medications may cause lasting sexual dysfunction.
January 2019 in “International Journal of Case Reports and Images” Combining microneedling with light therapy increased hair density by 26% in men.
73 citations
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January 1994 in “European Urology” Finasteride works better than Permixon in reducing dihydrotestosterone levels.
5 citations
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September 1997 in “Dermatologic Surgery” Dr. Russell Knudsen's system classifies hair grafts by class, shape, and size for clearer communication in hair restoration surgery.
Dutasteride did not change rat spermatogenesis or oxidative stress but needs more research.
September 2019 in “Human Andrology” Higher serum androgens contribute to male pattern baldness.
8 citations
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March 2020 in “Metabolites” Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.
10 citations
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March 1973 in “Journal of Investigative Dermatology” June 2025 in “International Journal of Dermatology”
86 citations
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February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
8 citations
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January 2018 in “PubMed” Smaller finasteride particles increase effectiveness in treating hair loss.
45 citations
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August 1994 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method detects finasteride in plasma and semen with high sensitivity and accuracy.
21 citations
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January 2000 in “Aesthetic Plastic Surgery” Researchers created a new system to classify male baldness, finding six types and a common hairline shape, to improve hair loss treatments.
10 citations
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May 2017 in “Symmetry” Higher androgen levels are linked to less asymmetry in !Kung San males.
January 2025 in “HORMONES” Gender-affirming hormone treatments need better patient-focused outcome measurements and standardized data collection.
1 citations
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March 2020 in “Hair transplant forum international” The HairMeasure device is a cheap way to measure Hair Mass Index and find scalp areas for hair exams.
July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Male children's genital development issues can be caused by genetic mutations or environmental factors affecting hormone action.
October 2025 in “International Journal of Social health” Finasteride lowers PSA levels and prostate size, requiring adjusted PSA interpretation for accurate cancer screening.