62 citations
,
March 2011 in “European journal of endocrinology” Some parents have a mild form of congenital adrenal hyperplasia without symptoms, and they usually don't need treatment.
August 2013 in “Gastroenterology” A 60-year-old man with Cronkhite-Canada syndrome improved with treatment, but the condition has a high mortality rate and a risk of colorectal cancer.
100 citations
,
November 1997 in “Human Genetics” A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.
40 citations
,
May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
2 citations
,
January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
11 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Microinflammation is more intense in smaller hair follicles and may be linked to hair loss.
January 2019 in “Egyptian Journal of Obesity, Diabetes and Endocrinology” People with polycystic ovary syndrome often have low levels of vitamin D.
10 citations
,
May 2010 in “Journal of The American Academy of Dermatology” A 38-year-old African American woman has a rare condition that prevents her from growing long hair.
November 2022 in “Journal of the Endocrine Society” Excessive iodine from a cystic fibrosis supplement can cause hypothyroidism.
2 citations
,
January 1999 in “Dermatology”
1 citations
,
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.
17 citations
,
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.
62 citations
,
December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
May 2024 in “Asian Journal of Medical Sciences” Skin changes like dryness and hair loss can signal hypothyroidism before tests confirm it.
4 citations
,
February 2022 in “JAAD case reports” The document concludes that low-dose oral minoxidil successfully regrew hair in a patient with permanent hair loss after chemotherapy and stem cell transplant.
11 citations
,
January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
December 2025 in “Репродуктивное здоровье Восточная Европа” Magnesium and iron deficiencies may cause menstrual cycle disorders.
1 citations
,
January 2021 in “Turkish Journal of Medical Sciences” Women with telogen effluvium should be tested first for vitamin and mineral deficiencies.
53 citations
,
July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
June 2025 in “Academic Medical Journal” High homocysteine levels in lupus may increase inflammation and cardiovascular risk.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
6 citations
,
August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
55 citations
,
April 2008 in “Clinical Genetics” A new mutation in the ST14 gene was found in a patient with ARIH syndrome, showing milder symptoms and no tooth issues.
October 2023 in “Siriraj Medical Journal” Taking iron pills does not improve hair loss treatment in women with low iron compared to using minoxidil alone.
74 citations
,
October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
42 citations
,
September 2003 in “Journal of Investigative Dermatology” A missing mK6irs1 gene causes hair loss in mice.
April 2024 in “Benha Medical Journal” H. pylori infection may be linked to the hair shedding condition Telogen Effluvium.