10 citations
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September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
54 citations
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April 2007 in “Gastroentérologie clinique et biologique” Bariatric surgery can worsen nutritional deficiencies, requiring careful monitoring and supplementation.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
4 citations
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October 2003 in “PubMed” Low protein diets cause severe health issues in rats, but high protein diets can reverse these effects.
13 citations
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January 2013 in “Molecular genetics and metabolism” Proper diet management is crucial for phenylketonuria patients to avoid severe health issues.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
218 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
June 2019 in “Kufa journal for veterinary medical sciences” Vitamin C deficiency causes severe skin problems in newborn dairy calves.
18 citations
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May 2004 in “Archives of Dermatology” Severe nutritional deficiency can cause serious health and development issues, including skin problems and hair loss.
151 citations
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June 2010 in “Endocrinology and metabolism clinics of North America” Two rare genetic diseases cause severe rickets in children due to defects in vitamin D metabolism.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
April 2026 in “International Journal of Engineering Research and Science & Technology” The system helps identify vitamin deficiencies early by analyzing symptoms.
September 2024 in “Bulletin of the Russian Military Medical Academy” Iron deficiency is common in female military personnel but doesn't significantly impact daily physical activity.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
3 citations
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January 2009 in “Annals of King Edward Medical University” Most urban, well-fed people in Pakistan have severe vitamin D deficiency and show symptoms.
15 citations
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March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
16 citations
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March 2015 in “Wiener Klinische Wochenschrift” Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.
December 2024 in “Livers” Recognizing rare causes of MASLD is crucial for effective treatment and preventing complications.
October 2024 in “Clinical Chemistry” The girl's motor issues were due to scurvy from a lack of vitamin C, which improved with supplements.
246 citations
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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.
July 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” A multidisciplinary approach with controlled exercise, better nutrition, hormone treatment, and psychological care is needed for anorexia nervosa.
11 citations
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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.
1 citations
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June 2018 in “International Journal of Contemporary Pediatrics” Poor nutrition in young children causes skin and hair issues, highlighting the need for better nutrition education.
April 2024 in “Food science & nutrition” Many displaced schoolchildren in Cameroon are malnourished, with high rates of thinness, stunting, underweight, and deficiencies in iron and protein.
109 citations
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April 1997 in “Journal of Lipid Research” Linoleate deficiency in rats reduces growth and n-6 polyunsaturate accumulation, causing mild symptoms.
May 2024 in “Journal of clinical case studies reviews & reports” A man's health improved after treating his undiagnosed adrenal insufficiency, which caused fatigue and weight loss.
48 citations
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September 2009 in “Dermato-endocrinology” Anorexia nervosa can cause skin problems, which may help with early diagnosis and usually improve with treatment.
18 citations
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June 2016 in “Clinical and Experimental Dermatology” Increasing isoleucine intake improved skin and health issues in an infant with maple syrup urine disease.