246 citations
,
April 1976 in “Annals of Surgery” Zinc is crucial in nutrition, and its deficiency can cause health issues like diarrhea and hair loss, which improve with zinc therapy.
9 citations
,
December 1987 in “Archives of Dermatology” Two genetic disorders affect biotin metabolism, causing severe skin, hair, and metabolic issues.
October 2009 in “The American Journal of Gastroenterology” Isolated amylase deficiency can cause failure to thrive and should be checked with specific tests.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
40 citations
,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
31 citations
,
March 1963 in “American journal of diseases of children” Acrodermatitis enteropathica is a rare inherited disorder causing skin issues, diarrhea, and hair loss.
January 2024 in “Clinical, cosmetic and investigational dermatology” A child with a rare vitamin D-resistant condition improved with treatment.
December 2025 in “Cureus” Zinc supplements effectively treat inherited zinc deficiency in infants.
184 citations
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August 1983 in “The journal of pediatrics/The Journal of pediatrics” Biotinidase deficiency has various symptoms and can be treated with biotin supplements.
December 2020 in “Pathology” A man's skin condition and poor diet led to a scurvy diagnosis.
55 citations
,
December 1987 in “Archives of Dermatology” Two enzyme defects in biotin metabolism cause severe skin, hair, and metabolic issues.
April 1980 in “Archives of Dermatology” Zinc deficiency didn't cause visible hair changes in the patient.
17 citations
,
September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.
28 citations
,
March 1986 in “The American journal of medicine” Too much vitamin A can cause liver damage and skin issues.
31 citations
,
December 1997 in “Developmental Medicine & Child Neurology” Biotinidase deficiency can cause vision and walking problems in children and can improve with biotin treatment.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
44 citations
,
September 1948 in “Radiology” Too much vitamin A can cause serious health problems.
December 2016 in “Journal of Evolution of Medical and Dental Sciences” Chronic Acrodermatitis Enteropathica can persist into adulthood and requires careful zinc treatment.
6 citations
,
February 2019 in “JAAD case reports” Acitretin helped improve hand mobility and skin condition in a patient.
11 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” DCPA is a chronic skin condition affecting the lower limbs, mainly in men, with unclear causes and treatments that often don't work well.
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.
April 2015 in “Archives of disease in childhood” A chubby child can still be malnourished.
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.
23 citations
,
December 2013 in “British Journal of Dermatology” A new gene mutation linked to a skin condition was found in a Spanish family.
October 1940 in “Clinical and Experimental Optometry” Vitamin A deficiency can cause eye problems and other health issues.
October 2021 in “European Journal of Dermatology” CAL-PDT is safer and more effective for treating actinic keratosis on the scalp.
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.
February 2023 in “Research Square (Research Square)” Genetic testing confirmed a rare skin disorder in a young girl, which improved with zinc supplementation.
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.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.