303 citations
,
October 2000 in “Nature” RXRα is crucial for hair growth and skin cell function.
7 citations
,
August 2021 in “Open Access Macedonian Journal of Medical Sciences” The VDR gene polymorphism does not affect BDNF levels in autoimmune thyroiditis and hypothyroidism patients.
2 citations
,
July 2013 in “Journal of Life Sciences” A 2-year-old girl with a rare vitamin D disorder had rickets and hair loss, but treatment was ineffective due to poor compliance.
50 citations
,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
13 citations
,
April 1994 in “Baillière's clinical endocrinology and metabolism” Some people have genetic mutations that make them resistant to vitamin D, leading to rickets even with enough vitamin D intake.
July 2022 in “International Journal of Contemporary Pediatrics” Two siblings with a rare type of rickets and hair loss had low vitamin D levels, which is not typical for their condition.
July 2025 in “SVU-International Journal of Medical Sciences” Children with Vitamin D-dependent rickets type II may have severe dental issues that need a team of specialists for proper care.
88 citations
,
October 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Patients with this syndrome can have different responses and worsening resistance to treatment over time.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
January 2023 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Vitamin D Dependent Rickets Type-2A can cause complete hair loss and bone growth issues in infants.
25 citations
,
December 2005 in “Molecular Genetics and Metabolism” Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
110 citations
,
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.
1 citations
,
May 2023 in “Journal of neuroendocrinology” DAVID syndrome is a condition with immune system and hormone deficiencies, needing early diagnosis to avoid serious complications.
82 citations
,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
April 2026 in “International Journal of Engineering Research and Science & Technology” The system helps identify vitamin deficiencies early by analyzing symptoms.
105 citations
,
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.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
9 citations
,
April 2024 in “Cureus” Vogt-Koyanagi-Harada disease affects vision and skin, mainly in people with darker skin, and is treated with steroids and immunosuppressants.
8 citations
,
September 2019 in “Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity” A woman with anorexia nervosa improved after treatment for pellagra, reminding doctors to check for this deficiency in patients with eating disorders.
January 2026 in “Contemporary Clinical Dentistry” VKHD can include rare oral symptoms like discolored teeth.
32 citations
,
December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
May 2011 in “Journal of Clinical Neuroscience” The woman was diagnosed with Vogt–Koyanagi–Harada disease and successfully treated with medication, restoring her vision and stopping headaches.
January 2024 in “Journal of advanced research in Medical and Health science” People with severe and long-lasting alopecia areata often have low vitamin D levels, and treatments with vitamin D-like substances might help.
1 citations
,
June 2019 in “Current developments in nutrition” A patient with Ehlers-Danlos Syndrome improved after treatment for fat malabsorption and essential fatty acid deficiency.
March 2021 in “Indian Journal of Case Reports” A young woman with late-stage Vogt-Koyanagi-Harada disease was successfully treated at a hospital.
5 citations
,
August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.