17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
1 citations
,
January 2024 in “Pediatric Dermatology” The boy's scurvy symptoms improved with vitamin C treatment, highlighting the need for a balanced diet.
82 citations
,
October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
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.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
1 citations
,
January 1980 in “Side effects of drugs annual” Taking too much vitamin A can cause health problems like bone pain and hair loss.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
1 citations
,
November 2024 in “AME Medical Journal” Vitamin C deficiency can persist in high-risk patients despite supplementation.
16 citations
,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
7 citations
,
January 2013 in “Journal of Investigative Dermatology” Vitamin A may influence hair loss conditions like alopecia, but more research is needed to understand how.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
23 citations
,
October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
July 2025 in “JAAD Case Reports”
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
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.
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.
April 2026 in “International Journal of Engineering Research and Science & Technology” The system helps identify vitamin deficiencies early by analyzing symptoms.
16 citations
,
December 1996 in “International Journal of Dermatology” Vitamin C is essential to prevent scurvy and its symptoms.
52 citations
,
May 1982 in “The American journal of the medical sciences” Vitamin A toxicity likely caused the patient's high calcium levels.
3 citations
,
February 2017 in “The American journal of medicine” A woman's heart failure improved after she added vitamins and changed her diet from only cheese chips and cake.
5 citations
,
July 2019 in “Journal of Cutaneous Medicine and Surgery” Isotretinoin may cause hair loss, especially in women and young adults.
August 2024 in “Journal of the Association of Physicians of India” Adding vitamin B12 to food like salt can effectively improve vitamin levels in rural areas.
119 citations
,
October 1998 in “Endocrinology” Diet can prevent bone issues but not hair loss in mice lacking vitamin D receptors.
519 citations
,
October 1998 in “Endocrinology” Diet can prevent bone issues but not hair loss in mice lacking vitamin D receptors.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
April 2015 in “Archives of disease in childhood” A chubby child can still be malnourished.
January 2013 in “INTAS POLIVET” Vitamin A supplements improved skin and health issues in dogs.
7 citations
,
May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
January 2019 in “Egyptian Journal of Obesity, Diabetes and Endocrinology” People with polycystic ovary syndrome often have low levels of vitamin D.