44 citations
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November 2007 in “Journal of toxicology and environmental health. Part B, Critical reviews” This review explores how copper and zinc concentrations in hair may serve as bioindicators and discusses their potential associations with health disorders, but it reports no new clinical findings.
2 citations
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March 2001 in “Environmental Health Perspectives” Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.
June 2025 in “American Journal of Environmental Science and Engineering” This study examined the environment and quality of carrots grown in Vietnam, finding that organically grown carrots had lower levels of harmful heavy metals than traditional methods, suggesting organic farming can yield safer, higher-quality carrots.
5 citations
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January 1985 in “Annals of Nutrition and Metabolism” This study found that different doses of methionine altered the composition of developing tooth germs in newborn rats, with incisor and molar germs affected differently but no statistical difference in body weight.
In this study, researchers observed that graded calorie restriction in mice led to changes in stable isotope ratios and elemental content in bone collagen and hair keratin, potentially indicating intensified mobilization of endogenous proteins and altered bone collagen structure with increased dietary stress.
November 2023 in “Elsevier eBooks” In this chapter, researchers discuss how microRNAs (miRNAs) interact with vitamin D signaling, highlighting their emerging role as mediators in vitamin D-regulated disorders and their potential for developing miRNA-based clinical applications.
February 2025 in “Animals” This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.
November 2025 in “Molecules” This review examines recent advancements in green and emerging microextraction techniques, such as SPME and DLLME, for more sustainable hormone detection in biological samples, emphasizing environmentally friendly solvents and bioanalytical applications.
This study examined hair mineral and free amino acid components in various diseases and found that when using effect size analysis, specific components related to diabetes and other conditions were identified, suggesting their potential as novel health indicators.
30 citations
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March 2001 in “Environmental Health Perspectives” This review explores the significant impacts of hormonal changes within normal physiological ranges and suggests examining low-dose effects from chemicals disrupting hormonal activity; it presents no new clinical results.
September 2020 in “Benha Veterinary Medical Journal” This study found that non-infectious skin conditions in sheep were associated with oxidative stress and changes in trace elements, vitamin A, and immunoglobulin levels.
May 2017 in “Journal of microscopy and ultrastructure” This notice states that the article has been withdrawn due to the journal's transfer to a new publisher and reports no research findings.
25 citations
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April 1972 in “American Journal of Clinical Nutrition” This study found that variations in chromium levels along individual hair shafts reflect changes in the individual's chromium nutritional status over time, rather than environmental exposure.
July 2025 in “Humanitarian and Natural Sciences Journal” In this study, women with hair loss were found to have significantly lower levels of vitamin D and ferritin compared to healthy controls, suggesting that these micronutrients may play a role in hair health and could be important in nutritional assessments for hair loss conditions.
This study, conducted in Indramayu, Indonesia, reported that iron supplementation significantly increased hemoglobin levels in infants, while zinc supplementation reduced persistent diarrhea risk but increased susceptibility to runny nose and measles; complex interactions with diet warrant further investigation.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” This review found that patients with alopecia areata may have lower levels of vitamin D, zinc, and folate, but conflicting evidence precludes definitive clinical recommendations for micronutrient supplementation.
39 citations
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February 2024 in “Small” This review discusses the evolution and development of smart and multifunctional microneedles, highlighting their potential future importance in medical applications, but it reports no new experimental results.
19 citations
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October 2024 in “Molecular Pharmaceutics” This review discusses the challenges of traditional phytochemical delivery methods and highlights the potential of microneedles to improve intra/transdermal delivery, reporting no new clinical results.
January 1997 in “Journal of agricultural medicine and community health” This study found that scalp hair from individuals with non-insulin dependent diabetes mellitus had significantly different contents of zinc, copper, lead, cadmium, and aluminum compared to controls.
3 citations
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April 2023 in “Journal of Veterinary Internal Medicine” This study found that dogs with idiopathic epilepsy had altered hair concentrations of several trace elements, which may suggest a role in the disease's pathophysiology and indicate effects from antiseizure medications.
55 citations
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February 1990 in “Journal of Nutrition” This study observed that selenium retention in rat hair and nails was influenced by the chemical form of dietary selenium and methionine status, suggesting caution when using these tissues to assess selenium status.
June 2025 in “Journal of Cluster Science” This review explores the potential of metal nanoparticles as innovative treatments for alopecia, highlighting their effectiveness in promoting hair regrowth, enhancing drug delivery, and modulating gene expression while also assessing the related experimental methodologies and regulatory considerations.
Men need essential vitamins like D, B Complex, and A for health, and should consult doctors for personalized advice.
27 citations
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September 2021 in “Microbiology Spectrum” This study found that multimetal starvation by the immune protein calprotectin triggers unique regulatory responses in Pseudomonas aeruginosa, beyond those seen with individual metal shortages.
February 2024 in “Journal of Geochemical Exploration” Selenium levels in soil, crops, and human hair in Northwest China are within safe limits.
October 2021 in “Interfaces Científicas” This study analyzed the nutritional composition of 75 nutricosmetic products, finding common ingredients like biotin and zinc, but emphasized the need for further research on their effectiveness for hair and nail health.
4 citations
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January 2012 in “Human health handbooks” This study suggests that ferrous ferric chloride plays a role in regulating skin homeostasis by promoting the proliferation and differentiation of skin cells from a distance.
4 citations
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March 2006 in “Journal of renal nutrition” This study found that hemodialysis patients taking water-soluble vitamins had a 16% lower mortality risk compared to those not taking any, but the specific supplementation needed remains unclear.
July 2026 in “Materials Today Bio” This study demonstrated that in a mouse melanoma wound model, the MQ Microneedles effectively managed ROS levels to inhibit tumor growth and promote wound healing through light-controlled release.
3 citations
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January 1995 in “PubMed” This study found that selenium therapy could normalize metabolic and endocrine markers and improve clinical outcomes in cystic fibrosis patients, with stable benefits when administered at a lower dosage over a year.