January 2022 in “Przegla̧d dermatologiczny” The exact cause of frontal fibrosing alopecia is unknown, but it's not likely due to sunscreen.
19 citations
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August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
148 citations
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December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
February 2026 in “Frontiers in Immunology” Skin diseases like acne and psoriasis are linked to stress, gut health, and inflammation, with new treatments focusing on gut and mind-body approaches.
2 citations
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April 2013 in “Expert Review of Endocrinology & Metabolism” Identifying nonclassic congenital adrenal hyperplasia and carriers of CYP21 mutations is challenging, and genetic counseling is recommended due to their prevalence.