36 citations
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April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
March 1993 in “Neuroscience letters” Biotin is important for metabolism, with specific daily intake recommendations, and deficiency can cause health problems.
May 2024 in “Our Dermatology Online” Excessive hair loss can be an early sign of celiac disease.
April 2026 in “Open MIND” Microbes in the small intestine may cause Post-Finasteride Syndrome symptoms.
53 citations
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October 1978 in “Archives of dermatology” Zinc supplements can resolve skin issues caused by zinc deficiency.