A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
May 1991 in “Current problems in dermatology” Skin issues can indicate immune system problems.
Long-term use of seizure medications can disrupt calcium metabolism, but this can be treated with vitamin D or UV light and does not affect seizure control.
68 citations
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September 2018 in “Trends in Cell Biology” Cancer can hijack the body's cell repair system to promote tumor growth, and targeting this process may improve cancer treatments.
29 citations
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December 1998 in “Seminars in Cutaneous Medicine and Surgery” New treatments for hair loss show promise, especially finasteride for men and a stronger minoxidil formula.
17 citations
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May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
16 citations
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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.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
Acne is linked to vitamin B12 deficiency.
September 2018 in “International Journal of Dermatology” People with alopecia areata often have lower levels of zinc and vitamin D.
150 citations
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October 2010 in “The American Journal of Pathology” The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.
68 citations
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May 2021 in “Endocrine” People with diabetes or obesity should manage their conditions carefully as they have a higher risk of severe COVID-19.
57 citations
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August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
15 citations
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August 2021 in “Reviews in endocrine and metabolic disorders” COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.
5 citations
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March 2013 in “BMJ case reports” Gastric bypass surgery improved a woman's hormonal disorder without the need for medication.
4 citations
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November 2022 in “Acta dermato-venereologica” People with hidradenitis suppurativa often have lower vitamin D levels, weaker hip bones, and altered bone metabolism markers.
research Acne
4 citations
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January 2019 Acne is a common skin condition that can be influenced by diet, lifestyle, and hormones, and requires a treatment approach that includes psychological considerations.
2 citations
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November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
30 citations
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November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
29 citations
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August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
January 2026 in “Journal of Trace Elements in Medicine and Biology” Dogs have more iron and copper in their hair than cats, and outdoor animals have higher iron levels.
40 citations
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July 2019 in “Journal of Investigative Dermatology” Lack of a key enzyme causes severe skin issues and death in mice.
August 2024 in “Veterinary Dermatology” Topical ceramide treatment partially improves the skin condition in Jack Russell Terriers with a genetic skin disorder.
August 2022 in “International Journal of Health Sciences (IJHS)” Low levels of zinc, ferritin, and vitamin B12 are linked to severe hair loss in pregnant women during their last two trimesters.
June 2025 in “British Journal of Dermatology” Premature canities is linked to low vitamin D and B12, family history, and higher MHR.
6 citations
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October 1980 in “Archives of Dermatology” Vitamin deficiencies, especially biotin and vitamin D, can cause hair loss.
1 citations
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May 2016 in “Journal of Veterinary Diagnostic Investigation” Exotic lice infest 45% of California mule deer, with younger and selenium-deficient deer more vulnerable.
22 citations
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June 2001 in “International Journal of Cosmetic Science” Iron is crucial for healthy skin, hair, and nails.
11 citations
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September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
6 citations
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January 2019 in “Indian Journal of Pharmacology” Melitane 5% and hair supplements improved hair color in a 14-year-old with early graying.