13 citations
,
September 1976 in “Archives of Environmental Health An International Journal” In this study, Bushman women in various life stages had higher levels of iron and zinc in their hair compared to Bantu and American mothers, with iron deficiency anemia being rare among them.
6 citations
,
February 1998 in “PubMed” This study found that patients with MPA had significantly lower zinc and manganese levels and higher copper levels in their hair compared to hair-healthy men.
7 citations
,
January 2002 in “Biological Trace Element Research” This study found that children with pituitary dwarfism had higher zinc and copper hair concentrations and lower manganese concentrations compared to healthy children.
10 citations
,
April 1965 in “Journal of Nutrition” Changing mineral levels in rats' diets can prevent kidney stones, affect hair growth, and influence weight gain.
2 citations
,
January 2004 in “AIP conference proceedings” This study suggests that hair analysis detecting trace elements like copper and iron may help in screening for diseases such as hepatocellular carcinoma and osteoporosis, due to altered element concentrations in patients.
66 citations
,
November 1997 in “Nutrition” This study found that while micronutrient abnormalities are common among patients receiving home parenteral nutrition, serious consequences from these abnormalities are rare.
January 2021 in “Agrobiological records” This review paper examined recent research on the biofortification of horticultural plants, such as fruits and vegetables, with selenium, highlighting their role in addressing selenium deficiencies and supporting various biological functions crucial to human health.
November 2025 in “Iraqi Journal of Science” In this study conducted on Iraqi individuals with celiac disease not on a gluten-free diet, researchers observed elevated serum urea and creatinine levels, which may indicate an increased risk of renal dysfunction, alongside decreased magnesium, zinc, and vitamin C compared to healthy controls.
23 citations
,
November 2021 in “Frontiers in Chemistry” This review discusses the catalytic mechanisms and potential applications of nanozymes in areas like tumor therapy and biosensing, but reports no new experimental findings.
1 citations
,
August 1985 in “Proceedings annual meeting Electron Microscopy Society of America” This study discusses using SEM/EDX for elemental analysis of hair samples in forensic science but notes challenges in detecting certain trace elements from raw hair.
11 citations
,
March 1959 in “Journal of Histochemistry & Cytochemistry” This study observed that radioactive sulphur appeared in rat and mouse hair follicles more quickly than in lambs, possibly linked to faster hair growth rates in the rodents.
February 2019 in “Trace elements and electrolytes” This study found that women with chronic telogen effluvium had significantly lower levels of zinc, copper, and ferritin in their serum compared to healthy controls.
March 2025 in “Journal of Environmental Science and Engineering B” This study analyzed soil, water, and carrot samples in Vietnam, and found that organic farming can reduce heavy metal levels in carrots compared to conventional methods, potentially improving their nutritional safety.
1 citations
,
January 2018 in “Journal of microscopy and ultrastructure” In this study, researchers used SEM/SDD-EDS to identify waterborne minerals like calcium and aluminum in the scalp hair cuticle of individuals using treated or untreated water for hair washing, finding that prior application of coconut oil or conditioners can prevent calcium uptake.
May 2014 in “The Journal of Alternative and Complementary Medicine” Higher levels of chromium, selenium, and copper in hair are linked to increased insulin resistance in visceral-obese adults.
1 citations
,
February 2024 in “International Journal of Physics Research and Applications” In this study, powdered milk samples from Senegal showed varying levels of heavy metals, with some exceeding acceptable maximum levels for calcium, potassium, and phosphorus, indicating potential safety concerns.
1 citations
,
February 2024 in “Environmental health perspectives” In this study, higher concentrations of environmental metals, particularly manganese, were linked to worse self-reported attention-related behaviors in adolescents from Italy, with no significant modification of this effect by iron status.
9 citations
,
April 2023 in “Journal for Research in Applied Sciences and Biotechnology” This narrative discusses the critical roles of zinc in both biological processes and industrial applications but provides no new research findings.
9 citations
,
January 2014 in “Journal of analytical & bioanalytical techniques” This study assessed whether the elemental composition of human hair could serve as a marker for kidney stones, cholelithiasis, hypertension, and diabetes, but it reports only variations in element content along hair regions.
6 citations
,
April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
November 2008 in “Epidemiology”
February 2024 in “Agroèkoinfo” This study examined the relationship between environmental factors and androgenic alopecia among residents in the Krasnoyarsk Territory, finding significant correlations between the concentration of chemical elements in hair and consumption of grain products, but minimal correlation with soil trace elements.
20 citations
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May 2023 in “Biological Trace Element Research” This study found that repeated oral intake of 0.5 or 5 mg/kg of cobalt ferrite nanoparticles induced pulmonary toxicity in rats, with dose-dependent oxidative stress and inflammation observed, but no notable toxicity was seen at a 0.05 mg/kg dose.
6 citations
,
September 1957 in “Poultry Science” This study found that adding molybdenum to poultry diets depressed growth without affecting feather pigmentation, and copper supplementation tended to counteract the growth inhibition.
9 citations
,
January 2013 This study found that serum levels of zinc, copper, and selenium were significantly lower in patients with alopecia areata compared to healthy controls, regardless of the number of hair loss patches.
June 2025 in “Public Health of Indonesia” This study found that women with chronic telogen effluvium had significantly lower levels of zinc, calcium, vitamin D, and ferritin compared to healthy women without hair loss, suggesting that monitoring and restoring these micronutrients may be crucial in managing this condition.
September 2018 in “BAUST Journal”
January 2026 in “International Journal of Innovative Technologies in Social Science” This narrative review explores existing evidence on zinc's impact in certain immune-related, gastrointestinal, dermatological, and metabolic disorders, considering clinical and observational studies to assess zinc supplementation's clinical relevance.
2 citations
,
January 1987 in “Acta Agriculturae Scandinavica” This study found that subcutaneous injections of certain chelators led to skin and hair depigmentation, increased skin elasticity, and disturbed hair growth in minks, without affecting fur quality.
23 citations
,
February 2017 in “Journal of dermatology” This meta-analysis suggests that patients with alopecia areata have lower serum levels of zinc and selenium compared to healthy controls, which may be important risk factors for the condition.