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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
Researchers developed a cost-effective, ethical skin model using hairless guinea pig cells for toxicology studies.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion oil may help hair regrowth and scalp health, but more research is needed.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion oil may help with hair regrowth and scalp health, but more research is needed.
Researchers made new compounds that could potentially be developed into anticancer drugs.
April 2012 in “Neuropediatrics” Trichothiodystrophy is a rare genetic disorder causing hair issues and sometimes linked to DNA repair defects.
January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
January 1980 in “AFA Watchbird” Spectral-analysis can help diagnose mineral imbalances in birds.
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October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
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March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
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January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
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June 1956 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Air pollution has caused over $3 million in crop damage annually in Los Angeles since 1953.
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January 2024 in “Crystals” The salts have diverse molecular packing with significant hydrogen interactions.
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July 2024 in “BMC Zoology” Dromedary camel hair structure and mineral content change with age.
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
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August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” Mammoth hair from different ages shows distinct surface textures and elemental compositions.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
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June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
October 2009 in “The American Journal of Gastroenterology” Excessive selenium intake can cause liver damage.
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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.
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March 1968 in “The BMJ” A woman's severe skin reaction was caused by an allergy to a skin treatment.
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October 2022 in “The American Journal of Gastroenterology” Chronic arsenic exposure can cause liver damage and other health issues.
June 2011 in “Journal of clinical and experimental investigations” Oral zinc sulphate is an effective and safe treatment for thallium poisoning.
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January 1995 in “PubMed” Selenium therapy improved health in cystic fibrosis patients with fewer side effects at a lower dose.
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January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.