9 citations
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June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
10 citations
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January 2016 in “ACG Case Reports Journal” Long-term Cape Aloe use causes harmless colon pigmentation that can help detect polyps.
9 citations
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
20 citations
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October 2018 in “American Journal of Clinical Dermatology” Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.
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.