1 citations
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May 2023 in “Journal of the European Academy of Dermatology and Venereology” Minoxidil and vitamin E may help improve nail growth and health.
29 citations
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August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
1 citations
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January 2017 in “Current Dermatology Reports” Early baldness in men may indicate risks for obesity, metabolic syndrome, insulin resistance, and heart disease, similar to women with PCOS. Alopecia areata is often linked with autoimmune diseases and mental health issues. Certain hair disorders are due to genetic issues, and chemotherapy can cause hair loss through specific biological pathways. Iron deficiency's link to hair loss is still disputed.
1 citations
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December 2024 in “Cosmoderma” Nyumi Happy Hair Gummies significantly improved hair growth, reduced hair fall, and enhanced nail health without side effects.
4 citations
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August 2018 in “Journal of The American Academy of Dermatology” The authors agree that biotin may help certain hair disorders but lacks evidence for use in healthy people and call for more research.
April 2026 in “International Journal of Molecular Sciences” Wnt signaling is crucial for skin, hair, and nail health and regeneration.
1 citations
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August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
14 citations
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January 2020 in “Women's health reports” Iron deficiency in menstruating women causes many health issues beyond anemia and needs early detection and treatment.
44 citations
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July 2011 in “Dermato-endocrinology” Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.
1 citations
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December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
March 2026 in “FMDB Transactions on Sustainable Health Science Letters” A deep learning method can detect nutritional deficiencies from hair and nail images with 89% accuracy.
December 2025 in “Pakistan Journal of Health Sciences” Estrogen deficiency in postmenopausal women can cause skin and hair issues, but local estrogen therapies help improve vaginal health.
October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
November 2024 in “medRxiv (Cold Spring Harbor Laboratory)” Genetic factors affecting skin health and body weight may increase the risk of dermatophytosis.
January 2023 in “Postepy Dermatologii I Alergologii” Zinc is important for health and its supplementation may help treat various conditions.
September 2022 in “Farmacja Polska” Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
September 2019 in “Journal of Investigative Dermatology” Smoking and certain health conditions like thyroid disease may make palmoplantar pustulosis harder to treat.
79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
32 citations
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January 2006 in “Liver transplantation” Vitamin A toxicity can cause severe health issues and may require a liver transplant if other treatments fail.
30 citations
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October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.
June 2025 in “British Journal of Dermatology” Nail abnormalities in children can indicate deeper health issues.
September 2016 in “Journal of dermatological science” Collagen XVII is crucial for skin cell growth and nail health.
16 citations
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January 1996 Selenium levels in Enshi District need careful monitoring to prevent health issues.
1 citations
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January 2018 in “Molecular and integrative toxicology” Getting the right amount of selenium is important for health; too little can cause disease, and too much can lead to toxicity.
1 citations
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January 2013 in “Springer eBooks” The document concludes that skin and nail changes can indicate various underlying health conditions.
Selenium is essential but can be harmful in excess, and China struggles with balancing its levels for health.
1 citations
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June 2023 in “Medicina” People with Epidermolysis bullosa have many health problems including poor oral health, which is often neglected due to other medical issues.
1 citations
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January 2013 in “Journal of Investigative Dermatology” The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.
January 2026 in “Dermatology Practical & Conceptual” Nail changes are common in alopecia areata and can indicate its severity.
10 citations
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August 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Vitiligo patients often have nail problems, so checking their nails is important.