15 citations
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October 1936 in “Archives of Dermatology” Cystine is crucial for forming keratin in hair, wool, and nails.
2 citations
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April 2019 in “Journal of Internal Medicine” Men using steroids or finasteride to look more attractive may harm their fertility and sexual function, creating a paradox where they seem fit but may be less able to reproduce.
75 citations
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October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
6 citations
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October 2020 in “Endocrine journal” A patient with Werner syndrome showed a range of aging-like symptoms and metabolic issues, underscoring the need for early detection and treatment.
17 citations
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January 2009 in “Nippon Ishinkin Gakkai Zasshi” A 10-year-old boy recovered from a scalp infection caused by a fungus after treatment with itraconazole.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
July 2002 in “Journal of applied cosmetology” Hair growth issues can be linked to genetics, diseases, or medications, and new treatments are being developed.
12 citations
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April 2018 in “Physiology & Behavior” Finasteride raises suicide-linked aggression and stops clozapine's positive effects in schizophrenia animals.
44 citations
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September 1948 in “Radiology” Too much vitamin A can cause serious health problems.
18 citations
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January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.
4 citations
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September 2015 in “JAAD case reports” Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.
September 2024 in “Health of Man” High uric acid can cause health issues, so managing it with lifestyle changes is important.
February 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
14 citations
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June 1952 in “The BMJ” Phenobarbitone can cause severe and sometimes fatal skin reactions.
13 citations
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June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
87 citations
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March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
16 citations
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September 2008 in “Dermatologic Therapy” CAH is a genetic disorder affecting cortisol production and causing hormonal imbalances, with treatment and diagnosis varying by form and symptoms.
44 citations
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March 1947 in “Endocrinology” Thiourea compounds affect hair growth and pigmentation in black rats.
73 citations
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November 1979 in “British Journal of Dermatology” Minoxidil can cause excessive hair growth.
4 citations
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May 2020 in “Cureus” A new genetic mutation causing Werner's syndrome was found in an Indian man.
37 citations
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January 2008 in “Gynecological Endocrinology” Shorter CAG repeats in a specific gene may increase male hormone activity and symptoms like acne and excess hair in women with PCOS.
14 citations
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January 2020 in “Dermatology Online Journal” Some dietary supplements, like vitamins B6/B12, iodine, whey protein, and muscle-building products, can cause or worsen acne.
May 2023 in “The journal of sexual medicine” Ovarian Hyperthecosis caused hypersexuality in an older woman and was successfully treated with surgery.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
April 2026 in “ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)”
3 citations
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April 2002 in “The American Journal of Medicine” The document concludes that early diagnosis of Balint's syndrome is crucial for effective treatment and that understanding drug interactions, like between ritonavir and statins, is important for patient care.
January 2025 in “Journal of College of Physicians And Surgeons Pakistan” Minimally invasive glaucoma surgery can effectively manage glaucoma in GAPO syndrome when other treatments fail.
July 2003 in “Pediatrics in review” In 2001, the FDA approved 12 new drugs for children to treat allergies, asthma, ADHD, birth control, and other conditions.
January 2025 in “Open Veterinary Journal” Zinc, copper, and vitamin A deficiencies cause skin disorders in sheep.