21 citations,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
24 citations,
May 2012 in “International Journal of Dermatology” The document concludes that eyelash trichomegaly, which is the abnormal growth of eyelashes, can be present from birth, caused by diseases, or result from certain medications.
7 citations,
August 2008 in “Cases Journal” A hair tightly wrapped around a toddler's toe caused severe crying and was treated by surgery.
43 citations,
November 2007 in “Dermatologic Clinics” Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.
125 citations,
February 2003 in “Journal of the American Academy of Dermatology” The document explains the types of excessive hair growth and how to manage it.
3 citations,
January 2016 in “Case reports in dermatological medicine” An 80-year-old man grew extra hair on his forearms after starting Alzheimer's medication rivastigmine.
6 citations,
August 1993 in “Archives of Dermatology” A woman's hair changed to a dry, tangled texture that's hard to comb after treatment with spironolactone, suggesting the medication might cause such hair changes.
10 citations,
March 2014 in “Scandinavian journal of clinical and laboratory investigation” Malondialdehyde-modified DNA may trigger an immune response in alopecia areata patients.
73 citations,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
11 citations,
September 1997 in “Archives of Dermatology” Reduced androgens linked to kinky hair disorder and hair loss; 5a-reductase inhibitors may help.
24 citations,
July 2005 in “Journal of the American Academy of Dermatology” A woman's eyelashes grew thicker and longer after taking topiramate, but returned to normal when she stopped the medication.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
2 citations,
October 1985 in “Pediatrics in review” Scalp diseases change with age and can be hard to tell apart from hair disorders.
An infant with a zinc deficiency skin disorder improved with zinc treatment.
October 2022 in “Boletín médico del Hospital infantil de México/Boletín médico del Hospital Infantil de México” The patient has a rare skin condition that shows features of two known disorders.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
19 citations,
January 2016 in “Dermatology Research and Practice” The study concluded that hair loss in Indian women is not significantly linked to anemia or thyroid problems, but checking thyroid function could help those with ongoing hair loss.
73 citations,
October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
1 citations,
December 2013 in “International Journal of Dermatology”
March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
9 citations,
January 2001 in “Dermatology” Pili anulati may cause hair loss, proper diagnosis and treatment needed.
November 2024 in “Journal of Cosmetic Dermatology” MSC exosome therapy improved hair quality in patients with acquired trichorrhexis nodosa.
5 citations,
March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
12 citations,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
5 citations,
July 2009 in “Clinical and experimental dermatology”
1 citations,
January 2006 in “Elsevier eBooks” The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.
April 2023 in “Journal of Investigative Dermatology” Sweating can potentially be controlled through olfactory receptors, with β-ionone playing a key role, and responses may vary between genders.
October 2019 in “CRC Press eBooks” Retinoids can both cause and treat different hair disorders.
4 citations,
September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.
March 2021 in “CRC Press eBooks” Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.