Selenium can be toxic to animals, causing serious health issues, especially in horses.
7 citations
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January 1995 in “Journal American Society of Mining and Reclamation” Excess selenium and sulfur in plants can harm animals, causing symptoms like hair loss and poor reproduction.
70 citations
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June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
20 citations
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February 2013 in “Nutrition” Selenium-enriched green tea might be a safe prebiotic for gut health.
7 citations
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
382 citations
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February 2010 in “Archives of Internal Medicine” A manufacturing error in a dietary supplement caused severe selenium poisoning, affecting many people and highlighting the need for stricter quality control.
12 citations
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June 2023 in “Journal of trace elements in medicine and biology” Eating too much selenium can cause bad breath, hair loss, and nail changes, with harmful effects starting at low daily doses.
27 citations
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June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
11 citations
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January 1993 in “Journal of Veterinary Diagnostic Investigation” Horses in western Iowa got sick from high selenium in local alfalfa hay.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
October 2009 in “The American Journal of Gastroenterology” Excessive selenium intake can cause liver damage.
1 citations
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August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
15 citations
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January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
13 citations
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January 2012 in “International Journal of Trichology” Eating too many paradise nuts for cancer prevention caused a woman to lose all her hair due to selenium poisoning.
241 citations
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January 2001 in “Reviews on Environmental Health” High selenium exposure can harm thyroid function, immune system, liver, skin, and may increase neurotoxicity and cancer risk.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
7 citations
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August 2025 in “Plants” Selenium from plants is beneficial and safer for health.
79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
34 citations
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August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
24 citations
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January 2023 in “International Journal of Nanomedicine” Biomembrane-based hydrogels can effectively promote chronic wound healing.
5 citations
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December 2024 in “Pharmaceutics” Nanomaterials could improve PCOS treatment by delivering drugs more effectively with fewer side effects.
1 citations
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July 2023 in “Frontiers in Immunology” Oxidative stress and immune dysfunction are linked to both Hashimoto's thyroiditis and polycystic ovary syndrome, with diet and specific treatments important for managing these conditions.
April 2022 in “Anti-cancer agents in medicinal chemistry” Some existing medicines show promise as safe treatments to protect against the side effects of radiation therapy.
3 citations
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July 2005 in “DOAJ (DOAJ: Directory of Open Access Journals)” Selenosis in calves causes health issues and changes in blood parameters.
36 citations
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January 2010 in “Human & experimental toxicology” Eating paradise nuts led to selenium poisoning, causing nausea, hair loss, and other symptoms in two women.
10 citations
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April 2019 in “Environmental Science and Pollution Research” Eating selenium-rich rice improved antioxidant activity and signs of aging in mice.
22 citations
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August 2019 in “Environmental research” Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
61 citations
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May 2010 in “Integrative Cancer Therapies” There is no clear recommendation for using selenium in cancer patients; it may be beneficial to correct low selenium levels before treatment.
114 citations
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October 2009 in “Gastroenterology” Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.
September 2025 in “Drug Design Development and Therapy” Combining platelet-rich products, biomaterials, and bioactive substances may improve skin treatment, but more research is needed.