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July 2014 in “American journal of clinical dermatology” Some treatments, like corticosteroids and sensitizing agents, can help with alopecia areata, but more high-quality research is needed.
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November 2006 in “Proceedings of the National Academy of Sciences of the United States of America” BMP signaling controls hair follicle size and cell growth by affecting cell cycle genes.
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July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
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April 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia can cause sudden hair loss on limbs, similar to scalp hair loss.
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August 2006 in “Journal of Cutaneous Pathology” Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.
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January 2020 in “Indian Dermatology Online Journal” Female pattern hair loss has multiple causes and treatments, with new therapies showing promise.
November 2022 in “Journal of Investigative Dermatology” Occipital hair follicles in male pattern baldness respond uniquely to testosterone, not androgen-insensitive.
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February 2007 in “Cytology and genetics” Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
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March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
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May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
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May 2015 in “Stem Cell Reports” Stem cells and their surrounding environment in hair follicles work closely together, affecting hair growth and having implications for cancer and tissue regeneration.