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.
1 citations
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December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
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.
7 citations
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August 2025 in “Plants” Selenium from plants is beneficial and safer for health.