January 2016 in “American Journal of Clinical and Experimental Medicine” Lower zinc levels in hair are linked to more severe male pattern baldness, but blood zinc levels don't show this link. Age also increases baldness severity.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
34 citations
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December 2009 in “The International Journal of Developmental Biology” Too much thymosin beta4 causes weird teeth and more hair growth in mice.
2 citations
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April 2019 in “Acta medica Philippina/Acta Medica Philippina” People with alopecia areata often have lower vitamin D levels than healthy people.
5 citations
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December 2014 in “Polish Journal of Public Health” Zinc is essential for many body functions and imbalances can lead to health problems.
7 citations
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March 2018 in “Asian-Australasian journal of animal sciences” OCIAD2 and DCN genes affect hair growth in goats by having opposite effects on a growth signaling pathway and inhibiting each other.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Low calcium and dietary issues may contribute to hair loss.
July 2025 in “Dermatology and Therapy” Patients with fewer past treatments for alopecia areata respond better to baricitinib.
January 2026 in “Journal of the American Academy of Dermatology” 5-alpha reductase inhibitors do not increase osteoporosis risk in women with certain hair loss conditions.
December 2023 in “Journal of nutritional science and vitaminology” A zinc-deficient diet stunted growth and affected organs in mice, with C57BL/6J mice showing more severe symptoms.
105 citations
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March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
6 citations
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April 2017 in “Experimental dermatology” CD80CD86 deficiency causes hair loss by disrupting regulatory T cells.
November 2025 in “Open Access CRIS of the University of Bern” Androgen levels are more linked to body size in boys than girls.
4 citations
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October 2022 in “American journal of physiology. Heart and circulatory physiology” Higher DHT levels are linked to worse heart changes in severe aortic valve stenosis patients.
66 citations
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November 2001 in “European journal of endocrinology” Low SHBG and high FAI, FT, and DHEAS levels are effective in identifying PCOS.
6 citations
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September 1996 in “Journal of the European Academy of Dermatology and Venereology” Biotin supplements may help hair regrowth in alopecia areata patients with low biotinidase activity.
July 2004 in “Journal of the American Dietetic Association” Many Korean preschool children have low zinc levels, which may affect their growth, and zinc supplements could help.
December 2013 in “대한피부과학회지” Korean women with female pattern hair loss have higher levels of ferritin, testosterone, and vitamin D than average.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
Vitamin D deficiency and altered lipid metabolism may contribute to female hair loss.
December 2025 in “IntechOpen eBooks” BMI is not enough for assessing obesity in women; use more personalized tools.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
January 2022 in “Asian Pacific Journal of Health Sciences” Women with PCOS risk had normal height and blood tests but higher weight and common acne or hirsutism.
5 citations
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December 2018 in “Frontiers in Endocrinology” Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
10 citations
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November 2021 in “Biomedicines” Some therapies using stem cells and platelet-rich plasma may help treat osteoarthritis, but more research is needed to ensure they are safe and effective.
140 citations
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April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
October 2024 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone in a postmenopausal woman, resolved by surgery.
June 2023 in “Journal of personalized medicine” Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.
October 2024 in “Journal of the Endocrine Society” Bilateral salpingo-oophorectomy resolved hyperandrogenism in a postmenopausal woman with rare ovarian tumors.
18 citations
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March 2016 in “Journal of Investigative Dermatology” Vitamin D and calcium are essential for normal hair growth.