29 citations
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February 2019 in “Environment international” This study found that higher prenatal and early childhood lead exposure may be associated with delayed pubertal development in girls, but not in boys, in Mexico City.
January 2025 in “Exploratory Animal and Medical Research” Among adult male rats, this study found that combined exposure to lithium carbonate and lead acetate over 28 days led to synergistic cardiotoxic effects, evidenced by oxidative stress, ECG abnormalities, and molecular markers of increased apoptosis, despite no observable structural damage to myocardial tissue.
5 citations
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January 1997 in “Journal of Occupational Health” The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.
5 citations
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December 2017 in “Atom Indonesia” This study found higher concentrations of chromium, lead, and arsenic in the hair of workshop workers and traffic officers compared to a control group, indicating occupational exposure to these metals. Mercury levels varied across exposed groups, suggesting additional lifestyle factors may influence metal accumulation.
33 citations
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June 1995 in “International journal of legal medicine” This study observed that prolonged water or soil exposure can lead to significant reductions in drug levels in bleached and natural hair samples.
July 2025 in “Ecotoxicology and Environmental Safety” This study found that higher levels of lead and molybdenum in hair were associated with an increased risk of dyslipidemia, while there was a significant interaction showing opposing effects of lead and cadmium on dyslipidemia risk among adults in China.
54 citations
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March 2012 in “International Journal of Andrology” This study found that prenatal exposure to certain pesticides may lead to earlier breast development in girls, potentially associated with higher androgen levels.
February 2024 in “Research Square (Research Square)” This research found that heavy metal concentrations of arsenic, lead, cadmium, and iron were significantly higher in human hair samples from 100 years ago compared to today's levels in southern Poland, with a median decrease of 69–95%.
18 citations
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December 2010 in “Journal of analytical atomic spectrometry” This study demonstrated that using lead-doped keratin film as a calibration standard allows for accurate tracking of lead distribution along hair strands, revealing different exposure patterns among workers in a battery manufacturing factory in Thailand.
January 2024 in “ResearchWorks at the University of Washington (University of Washington)” This study found that while measuring zinc in hair did not allow calculation of individual hair growth rates, it effectively characterized zinc, lead, and mercury concentrations and improved methods for analyzing these exposures using LA-ICP-MS.
3 citations
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June 2017 in “Deep Blue (University of Michigan)” This study found that prenatal exposure to fluoride and lead, as well as maternal micronutrient intake, may influence sexual maturation in adolescents in a sex-specific manner.
1 citations
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March 2019 in “Hygiene and Sanitation” This study observed that exposure to heavy metal salts affected skin and hair morphology in mice, with lead acetate decreasing keratinocyte proliferation and zinc sulfate and sodium dichromate increasing it.
2 citations
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September 2019 in “South Asian research journal of pharmaceutical sciences” This article reviews the risks of metal exposure from cosmetic products and emphasizes the need for stricter regulation and consumer awareness, without presenting new data or results.
January 2022 in “International journal of advanced engineering research and sciences” This review highlights the potential benefits and risks of using hair extensions, suggesting that while they may boost self-esteem, improper use could lead to traction alopecia.
115 citations
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November 2004 in “Brain Behavior and Immunity” This study found that stress increases the number of peptidergic nerve fibers and mast cell activity in mouse skin, suggesting a significant neuro-immune interaction under stress.
5 citations
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February 2024 in “Clinical Pharmacokinetics” This study found that modeling and simulation effectively informed decision-making and dose selection for ritlecitinib in treating alopecia areata, supporting an accelerated drug development strategy.
3 citations
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February 2018 in “Australian Veterinary Journal” This article explores the possibility that veterinarians may test positive for ketamine due to occupational exposure, but it reports no specific new findings.
September 2025 in “International Journal of Cosmetic Science” This study observed that exposing human hair keratins to heat or UV treatments led to modifications in cysteine residues, disrupting crucial disulphide bonds and potentially reducing the structural integrity of hair similar to prolonged styling or sunlight exposure.
April 2025 in “Brazilian Journal of Hair Health” This article suggests that cultural and environmental influences, such as exposure to sexualized content, stress, poor sleep, and unhealthy diets, may accelerate androgenetic alopecia onset by affecting hormonal systems, gene expression, and hair follicle health, despite its genetic basis.
This review highlights recent advances in the use of light exposure for health purposes, examining its role in pathology, therapeutic strategies, and molecular changes, as well as discussing future developments in this globally supported field.
January 2011 in “Nuclear Techniques” This study found that lead accumulated in the hair shafts of individuals exposed to mining environments, while iron, copper, and zinc levels remained stable, highlighting the significance of SRXRF micro-analysis for environmental health research.
1 citations
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January 2019 in “Elsevier eBooks” This review suggests that GABAergic neuroactive steroids modulated by alcohol could play a role in vulnerability to alcohol use disorders, providing a rationale for further therapeutic exploration.
14 citations
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January 2014 in “Cells Tissues Organs” This study found that single high-dose irradiation in mice induced more severe acute skin injury and hair depigmentation, while fractional doses led to longer-term damage in the dermis and subcutis.
4 citations
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February 2022 in “Nutrients” In this study, saponins from Korean red ginseng were found to protect against the harmful effects of airborne particulate matter on human skin cells by reducing oxidative stress, inflammation, leptin expression, and melanin production.
January 2007 in “Журнал Гродненского государственного медицинского университета” This study found that plasmapheresis treatment in children with total alopecia led to a decrease in lead levels and improved hair growth, which was not achieved with Spirulina platentis supplements.
September 2024 in “African Journal of Biomedical Research” This review highlights the potential health risks associated with long-term use of cosmetics containing heavy metals, like cancer and neurological disorders, emphasizing the need for regular monitoring of these substances in cosmetic products.
21 citations
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January 2020 in “General and Comparative Endocrinology” This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.
16 citations
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January 1998 in “PubMed” This review discusses the genetic and environmental factors involved in the development of skin cancers like squamous cell carcinoma, basal cell carcinoma, and melanoma, but does not report new clinical findings.
May 2026 in “Journal of Photochemistry and Photobiology” This review found that solar radiation, pollution, and trace metals cause significant damage to human hair, with factors like UVB radiation primarily affecting light-colored and bleached hair; most data were derived from in vitro and ex vivo simulations.
This study observed a decrease in iodine, lithium, and lead concentrations in hair samples from Venezuelan subjects over 20 years, with regional variations noted for selenium, uranium, and mercury.