March 2025 in “International Journal of Trichology” Gloriosa superba poisoning can cause sudden hair loss, but hair usually regrows fully.
June 1998 in “Pathophysiology” Selenium is crucial for health, but both deficiency and excess can cause problems.
May 2011 in “British Journal of Dermatology” The 1891 epidemic skin disease was likely caused by arsenic poisoning, possibly from beer or fish.
62 citations
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December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
40 citations
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July 1981 in “Journal of Neuropathology & Experimental Neurology” Copper injections improved symptoms and prevented brain damage in brindled mice.
September 2020 in “Nature, Environment and Pollution Technology/Nature, environment and pollution technology” Eating plants from polluted areas can cause liver and kidney damage in rats due to toxic metals.
January 2018 in “ScholarWorks @UVM (University of Vermont)” Selenium in proteins helps prevent over-oxidation and supports chemical reversibility.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
1 citations
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February 2002 in “Oncology Times” Intravenous arsenic is safe and effective for treating certain blood cancers.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
2 citations
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January 1977 in “PubMed” 217 citations
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February 2009 in “The FASEB Journal” Gray hair is caused by hydrogen peroxide buildup, which damages hair color repair.
May 1948 in “Journal of the American Medical Association” The reply suggests checking for false positive or asymptomatic syphilis and using penicillin for treatment if necessary.
3 citations
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March 1932 in “Journal of the American Medical Association” Radium exposure causes severe health issues, so strict safety measures are essential.
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November 2021 in “Frontiers in Molecular Biosciences” Reducing reactive oxygen species can help treat nerve damage from platinum cancer drugs.
Copper levels in green hair decreased significantly after treatment.
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
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August 2016 in “Metabolic brain disease” Children with autism have lower levels of essential and toxic trace elements in their hair.
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January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
June 2021 in “Clinical neuropsychopharmacology and therapeutics” Valproic acid can cause hair color change in older men.
Some bacteria use arsenic compounds as antibiotics, and others have evolved resistance; a particular arsenic-based compound shows potential as a new antimalarial treatment.
23 citations
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August 1989 in “American Journal of Veterinary Research” High selenium diets in pigs cause health issues like weight loss, hair loss, and nerve damage.
February 2023 in “European journal of geriatrics and gerontology” Selenium helps prevent thyroid issues and cognitive decline in the elderly, but balance is key.
20 citations
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May 2023 in “Biological Trace Element Research” Daily intake of 0.5 or 5 mg cobalt ferrite nanoparticles can harm lungs through oxidative and inflammatory stress.
November 2023 in “IntechOpen eBooks” Arsenic exposure from contaminated water severely damages the skin, causing hair loss, pigmentation changes, irritation, and can lead to skin cancer.
April 2026 in “International Journal of Advanced Biochemistry Research” Aegle marmelos fruit extract can protect against arsenic toxicity in mice.
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January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
19 citations
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July 2004 in “Journal of Medical Primatology” Infant baboons suffered from zinc poisoning due to poor cage conditions.