67 citations,
May 2010 in “Journal of The American Academy of Dermatology” Some chemotherapy can cause permanent hair loss.
66 citations,
August 1999 in “The Journal of Clinical Endocrinology & Metabolism” Women with acromegaly often have irregular periods due to hormone imbalances and growth hormone effects.
65 citations,
October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
64 citations,
May 2003 in “Journal of health psychology” Women with excess body hair feel psychological distress influenced by societal beauty standards, but distress isn't directly linked to the amount of hair.
62 citations,
June 2015 in “The Journal of Dermatology” People with alopecia areata have more Th17 cells and fewer Treg cells, which may be key to the condition's development.
61 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.
61 citations,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
59 citations,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
57 citations,
October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.
54 citations,
November 2017 in “Scientific Reports” The study found that certain microRNAs are higher in the cells and lower in the fluid of women with a specific type of polycystic ovary syndrome, and one microRNA could potentially help diagnose the condition.
53 citations,
July 2009 in “Journal of the American Academy of Dermatology” The study suggests smoking is common in HS patients but its role is unclear, and more research is needed to understand HS causes.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
51 citations,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
50 citations,
July 2021 in “Nature Communications” The drug enzalutamide may reduce the ability of the virus causing COVID-19 to enter lung cells.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
48 citations,
February 2016 in “Scientific Reports” Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.
48 citations,
March 2003 in “BJOG: An International Journal of Obstetrics and Gynaecology” Mothers and newborns with dental fillings had higher mercury in their hair, but getting fillings during pregnancy didn't raise mercury levels further.
47 citations,
July 2005 in “British Journal of Dermatology” Topical vitamin D3 does not prevent hair loss from chemotherapy.
46 citations,
May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
45 citations,
December 2014 in “Journal of the European Academy of Dermatology and Venereology” Plasmacytoid dendritic cells are a key factor in causing hair loss in alopecia areata and could help differentiate it from other hair loss conditions.
45 citations,
February 2012 Obese women with PCOS are more likely to have fatty liver disease.
45 citations,
January 1999 in “Dermatology” The VQ-Dermato is a reliable French questionnaire for measuring quality of life in chronic skin disorder patients.
44 citations,
December 2010 in “Journal of Investigative Dermatology” Alopecia areata seriously lowers quality of life, especially affecting self-image, mental health, and social life.
42 citations,
January 2019 in “Frontiers in Immunology” A blood pressure drug, diltiazem, may also help treat influenza.
42 citations,
April 2011 in “European Journal of Dermatology” Early balding men may have insulin resistance, but lifestyle changes can help.
42 citations,
November 2002 in “The American journal of pathology” Distinct β-catenin patterns are linked to cell growth, not cell death, in lung cancer.
40 citations,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
40 citations,
July 2013 in “Skin Pharmacology and Physiology” Male skin gets drier and more alkaline as it ages, which may need different skincare than women's skin.
40 citations,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
40 citations,
April 2008 in “European journal of endocrinology” Metformin and rosiglitazone both improved insulin use and hormonal symptoms in women with PCOS.