16 citations
,
February 2017 in “Dermatology and Therapy” This study established and validated a visual scale to assess hair shedding in women with thick hair, finding it effective in distinguishing greater hair loss among women with female pattern hair loss compared to those without.
16 citations
,
April 2007 in “Journal of Obstetrics and Gynaecology Research” In this study, serum PSA levels were higher in women with PCOS, suggesting it may serve as a marker for hyperandrogenism in this condition.
14 citations
,
January 2001 in “Clinical chemistry” This article discusses the potential use of hair fibers to noninvasively measure polyamine concentrations as a marker of tumor growth, but reports no new clinical findings.
12 citations
,
December 2009 in “Amino Acids” In this study, topical application of α-methylspermidine during the telogen phase in mice induced hair growth by increasing the polyamine pool and mimicking the anagen phase's characteristics.
8 citations
,
October 2017 in “Dermatology practical & conceptual” This study found that a spermidine-based nutritional supplement increased the number of anagen phase hair follicles in healthy humans, suggesting potential benefits for hair loss conditions.
6 citations
,
April 2022 in “JMIR Dermatology” Public interest in COVID-19-related hair loss increased during COVID-19 surges, especially with the omicron variant.
5 citations
,
August 2018 in “Urology” This study found that independent pharmacies in the St. Louis area offer significantly lower prices for tamsulosin and oxybutynin ER compared to chain pharmacies, while zip-code and median income show no pricing correlation.
5 citations
,
January 2018 in “Skin Research and Technology” This letter compares automated digital image analysis (TrichoScan) with manual marking of hairs in male patients with androgenetic alopecia but reports no new results.
5 citations
,
February 2015 in “Dermatologica Sinica” In this study, a computer-aided imaging system accurately measured the width of balding areas in female pattern hair loss, correlating strongly with clinical staging severity.
5 citations
,
February 2014 in “Journal of chemical ecology” This study determined the broad class and molecular species of glycerophospholipids in Eastern red bat sebum, highlighting differences from previous bat lung surfactant studies.
5 citations
,
October 2013 in “Experimental Dermatology” This study observed that putrescine and HR form a negative feedback mechanism affecting hair cycling, indicating a significant connection between HR, polyamines, and hair growth regulation.
4 citations
,
April 2017 in “International journal of reproduction, contraception, obstetrics and gynecology” This study found a 21-fold increased risk of metabolic syndrome associated with a higher waist-hip ratio in women with polycystic ovary syndrome, highlighting the need for focused management in obese patients.
4 citations
,
November 2011 in “Archives of Dermatology” This study describes a simple, noninvasive hair counting method used in a hair growth prevention trial, assessing its reliability and validity.
3 citations
,
February 2024 in “arXiv (Cornell University)” In this study, researchers used Google Search ads to gather an open access dataset of 10,408 dermatological images from over 5,000 U.S. internet users, enhancing the diversity and representativeness of skin condition images available for research and artificial intelligence development.
3 citations
,
May 2018 in “Experimental Dermatology” In this study, the researchers reported that patient impacts and symptoms of hidradenitis suppurativa, as assessed by HSIA and HSSA measures, are associated with clinical characteristics such as the number of abscesses and inflammatory nodules.
3 citations
,
February 2017 in “Archives of Medical Science” This study found that finasteride treatment in male rats may lead to changes in connexin 43 expression in the testes of their offspring, potentially affecting spermatogenesis.
3 citations
,
June 2016 in “Dermatology Reports” This study concluded that the digit-length ratio (2D:4D) does not predict androgenic alopecia development, suggesting prenatal androgen exposure does not predispose men to this condition.
3 citations
,
June 2013 in “Journal of Dermatology” This letter to the editor reports no new results but discusses the effect of hairpieces on the perceived quality of life in female pattern hair loss patients.
2 citations
,
September 2017 in “Archives of Medical Science” The researchers reported that finasteride treatment in male rats may lead to changes in antioxidant enzyme activity in their offspring's epididymis, potentially affecting sperm maturation.
1 citations
,
June 2025 in “Environmental Research” In this study, researchers reported that adult females approaching menopause in Canada generally had similar or lower blood concentrations of toxic, essential, and trace elements compared to their peers, but most participants showed zinc levels below the proposed adequacy threshold.
1 citations
,
March 2024 in “Research Square (Research Square)” In this study, the authors assessed videos on laryngeal carcinoma across YouTube, Bilibili, and TikTok, finding that TikTok videos, while more interactive, generally offered less information and lower quality, with YouTube videos ranking highest in quality but all platforms needing improvement in professional content creation.
1 citations
,
January 2023 in “Annals of Dermatology” The BASP classification helps predict patient behavior and improve treatment for hair loss.
February 2026 in “International Journal of Basic & Clinical Pharmacology” This study found that hair rejuvenation therapies and patient comorbidities, such as diabetes mellitus, were significantly associated with adverse drug reactions in cosmetic treatment recipients.
December 2025 in “Cureus” This study suggests that elevated levels of IL-17A and IL-23 in alopecia areata may play roles in disease severity and activity, providing insights into potential therapeutic targets.
December 2025 in “Reports of Vinnytsia National Medical University” This study examined the relationships between the Dermatology Life Quality Index and trichoscopic and clinical-anamnestic characteristics in young Ukrainian men with alopecia areata, finding varying strengths of mostly non-significant correlations, especially in those with grade I and III alopecia.
This study observed that spiritual well-being significantly correlates with quality of life aspects in newly diagnosed Palestinian women with breast cancer, where factors like inner peace and faith predicted better body image and reduced distress from hair loss.
August 2025 in “Tobacco Induced Diseases” This study reported that active smokers, including e-cigarette and hookah users, had worse skin quality with more wrinkles and pigmentation compared to ex-smokers and non-smokers, suggesting smoking negatively impacts skin health and may motivate cessation efforts.
January 2025 in “MEDS Public Health and Preventive Medicine” In this study, oral spermidine supplementation was found to significantly prolong the hair follicle anagen phase and reduce hair loss, with effects persisting three months after treatment in healthy participants, suggesting potential therapeutic benefits for hair loss conditions.
December 2024 in “Journal of Neonatal Surgery” In this study, researchers found that increased androgen levels, such as testosterone, and insulin resistance are strongly associated with more severe acne in adult women, along with a higher incidence of menstrual irregularities and PCOS characteristics.
December 2024 in “The New Indian Journal of OBGYN” This study, assessing PCOS patients, found a significant positive correlation between increased ovarian volume and elevated insulin resistance, suggesting that larger ovaries may indicate a higher degree of insulin resistance.