10 citations
,
November 1946 in “Journal of the American Medical Association” Severe vitamin deficiencies in children can cause significant hair problems.
2 citations
,
August 2004 Early diagnosis and proper treatment improve outcomes for methylmalonic acidemia.
31 citations
,
February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
6 citations
,
April 2012 in “PubMed” Enteral supplements can improve symptoms of Cronkhite-Canada syndrome.
15 citations
,
November 2009 in “Journal of diabetes and its complications” Patients with Type 1 diabetes should be screened for pernicious anemia.
November 2019 in “European journal of internal medicine” A Laotian man with unusual skin changes and multiple growths in his gut was diagnosed with Cronkhite-Canada Syndrome and improved with nutritional and immune-based treatments.
9 citations
,
December 1987 in “Archives of Dermatology” Two genetic disorders affect biotin metabolism, causing severe skin, hair, and metabolic issues.
1 citations
,
January 2025 in “Pediatria i Medycyna Rodzinna” Accurate diagnosis and zinc supplements can improve life quality in acrodermatitis enteropathica, even with normal zinc levels.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
50 citations
,
March 1992 in “PubMed” Malnutrition causes skin changes due to nutrient deficiencies.
11 citations
,
September 2010 in “PubMed” Zinc and biotin supplements are needed after certain surgeries to prevent hair loss and other issues.
26 citations
,
April 1984 in “The American Journal of Surgery” Gastric exclusion surgery caused major weight loss and health improvements but led to some anemia and vitamin deficiencies.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
May 2024 in “Our Dermatology Online” Excessive hair loss can be an early sign of celiac disease.
16 citations
,
January 2010 in “Journal of Korean medical science/Journal of Korean Medical Science” A Korean boy's skin and digestive symptoms were caused by a rare genetic disorder that affects zinc absorption, and he got better with zinc supplements.
44 citations
,
January 2020 in “Obesity Surgery” Hair loss after bariatric surgery is often due to iron and protein deficiencies.
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.
June 2022 in “Journal of medical science and clinical research” Brandt syndrome, with symptoms like skin rash, hair loss, and diarrhea, improves quickly with zinc supplements.
86 citations
,
January 1990 in “The Journal of Pediatrics” Children with partial biotinidase deficiency are healthy at birth but may develop symptoms that improve with biotin therapy.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
1 citations
,
January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
May 2016 in “Mayo Clinic proceedings” A gluten-free diet fixed a man's severe stomach pain and bowel issue related to celiac disease, but not much his hair loss.
11 citations
,
December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
November 2025 in “Journal of Saidu Medical College Swat” Biotinidase deficiency can mimic other conditions, making early diagnosis and treatment crucial to prevent lasting issues.
15 citations
,
March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
The woman's skin and health issues were due to a severe zinc deficiency.
March 1983 in “Annals of Internal Medicine” 5-Aminosalicylic acid enemas may cause immediate hair root damage and hair loss.
31 citations
,
September 2010 in “Current Opinion in Clinical Nutrition & Metabolic Care” Micronutrient deficiencies may cause hair loss in people on long-term parenteral nutrition.
2 citations
,
January 2018 The document reports the 19th global case of a rare skin condition in a patient from Colombia.