March 1993 in “Neuroscience letters” Biotin is important for metabolism, with specific daily intake recommendations, and deficiency can cause health problems.
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.
August 2021 in “Benha Journal of Applied Sciences” Biotin supplements significantly improve hair loss in people with telegon effluvium who lack biotin.
56 citations
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March 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have eczema, thyroid issues, vitamin-D deficiency, and anemia.
Most students know the causes of hair loss, but many wrongly think heredity isn't one.
October 2024 in “Dermatology Practical & Conceptual” Vitamin D3 deficiency is common in Pakistanis with diffuse hair fall, and early treatment is advised.
July 2024 in “Medical alphabet” Premature graying and hair changes can be treated with certain peptides and possibly targeting the endocannabinoid system.
March 2023 in “Journal of Education, Health and Sport” Women with Polycystic Ovary Syndrome have a higher chance of getting depressed.
December 2020 in “Pathology” A man's skin condition and poor diet led to a scurvy diagnosis.
January 2020 in “Kocatepe Tıp Dergisi” Not all hair loss patients need lab tests; patient history and physical exams are key to deciding who does.
May 2021 in “Indian journal of forensic medicine and toxicology” Females with androgenic alopecia have significantly lower vitamin D3 and ferritin levels.
110 citations
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November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
11 citations
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January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
2 citations
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February 2023 in “Journal of the American Academy of Dermatology” People with autism are more likely to develop alopecia areata than those without autism.
2 citations
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December 2022 in “Journal of the American Academy of Dermatology” Hispanic/Latinx patients with alopecia areata often have it before age 40, with females and certain health conditions like rheumatoid arthritis more commonly affected.
2 citations
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May 2022 in “Cosmetics” Further research is needed to understand how the microbiome affects hair loss in Alopecia Areata.
2 citations
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September 2021 Patients with alopecia areata may have lower vitamin D levels than healthy people.
1 citations
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June 2023 in “Nutrients” Vitamin D deficiency is linked to a higher chance of metabolic syndrome in women with PCOS.
1 citations
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May 2021 in “International Journal Of Medical Science And Clinical Invention” Women with PCOS may have a higher risk of severe COVID-19 due to hormonal imbalances and vitamin D deficiency.
Premature hair graying is common and linked to stress, obesity, vitamin deficiencies, family history, lack of exercise, smoking, and allergies.
April 2025 in “Düzce Tıp Fakültesi Dergisi” Vitamin D deficiency is common in children with non-scarring alopecia, and managing it may help treatment.
January 2025 in “International Journal of Trichology” Telogen effluvium is common after symptomatic COVID-19, especially in young females, and may be linked to nutritional deficiencies.
July 2024 in “Brazilian Journal of Clinical Medicine and Review” Hair loss after bariatric surgery is common due to nutrient deficiencies and rapid weight loss.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
January 2024 in “The American journal of medicine” Even after successful weight loss surgery, a patient can have health issues like fatigue due to nutrient deficiencies and hormone imbalances.
September 2023 in “Diagnostics” Low vitamin D levels may affect ovulation and progesterone in infertile women.
September 2023 in “International journal of women’s dermatology” Certain hairstyles, diabetes, scalp infections, and vitamin D deficiency may increase the risk of hair loss in Black women; more research is needed for better treatment.
January 2022 in “IntechOpen eBooks” Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.
January 2020 in “Turkiye Klinikleri Journal of Dermatology” People with chronic hair shedding had much lower vitamin D levels compared to healthy people.
16 citations
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January 2018 in “International journal of trichology” Genetics and nutritional deficiencies are key factors in premature graying of hair.