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.
62 citations,
July 2013 in “American Journal of Clinical Dermatology” Alopecia areata patients have higher oxidative stress and lower antioxidant levels.
62 citations,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
59 citations,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
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.
50 citations,
February 2021 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
46 citations,
August 2019 in “Journal of the European Academy of Dermatology and Venereology” People with hair loss conditions experience more anxiety, depression, and a lower quality of life than those without these conditions.
46 citations,
December 2007 in “International Journal of Cardiology” People with polycystic ovary syndrome may have a higher risk of heart problems due to abnormal nervous system control of their heart and blood pressure.
44 citations,
May 2008 in “Fertility and Sterility” Insulin resistance might not be enough to worsen blood vessel function in young, nonobese women with polycystic ovary syndrome.
42 citations,
July 2013 in “Gene” IL-4 gene variation may increase the risk of alopecia areata in Turkish people.
42 citations,
September 2007 in “The Journal of Clinical Endocrinology and Metabolism” The research found that polycystic ovary syndrome (PCOS) has two distinct types, with one having more severe hormone and insulin issues.
38 citations,
January 2011 in “Endocrine Journal” Weight loss and metformin don't significantly change vaspin levels in women with PCOS.
37 citations,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
35 citations,
April 2014 in “American Journal of Medical Genetics” Boys with less severe EDA mutations in XLHED have milder symptoms and better sweat and hair production.
34 citations,
February 2016 in “Fertility and Sterility” More PDCD4 is linked to obesity, insulin problems, and cell death in ovaries for those with polycystic ovary syndrome.
34 citations,
July 1999 in “Journal of The European Academy of Dermatology and Venereology” Iron deficiency is not a significant cause of hair loss in women.
32 citations,
February 2017 in “Human Reproduction” Women with polycystic ovary syndrome tend to have a longer anogenital distance.
31 citations,
October 2018 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy effectively diagnoses eyebrow loss, distinguishing between alopecia areata and frontal fibrosing alopecia.
31 citations,
January 2014 in “Clinical Endocrinology” The study suggests that being overweight or obese, not PCOS itself, is strongly linked to insulin resistance.
31 citations,
September 2012 in “Human Brain Mapping” People with Seasonal Affective Disorder have different brain activity in certain areas when resting.
30 citations,
November 2018 in “Fertility and Sterility” Young women with PCOS have a higher risk of high blood pressure and metabolic syndrome, but these risks may decrease after age 40.
30 citations,
November 2009 in “British Journal of Dermatology” Higher aldosterone levels link to hair loss and high blood pressure.
28 citations,
November 2019 in “Frontiers in Endocrinology” Vegetarian Indian women with PCOS have higher inflammation levels than non-vegetarians.
28 citations,
April 2017 in “Journal of cosmetic dermatology” Low vitamin D can worsen pediatric alopecia areata.
28 citations,
October 2013 in “Journal of The American Academy of Dermatology” Ovarian SAHA syndrome makes women with PCOS more resistant to insulin and increases their risk of blood sugar problems.
26 citations,
August 2014 in “Genetic Testing and Molecular Biomarkers” High levels of TNF-α may contribute to obesity and insulin resistance in PCOS, but not due to the C850T genetic variation.
24 citations,
January 2015 in “International Journal of Trichology” Early balding in young Indian men may indicate a higher risk of metabolic syndrome and potential heart disease.
23 citations,
February 2017 in “Journal of dermatology” Low serum levels of zinc and selenium may increase the risk of alopecia areata.
23 citations,
June 2015 in “Clinica Chimica Acta” Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
22 citations,
January 2014 in “Journal of Interferon & Cytokine Research” Certain genetic variations in IL18 may increase the risk of alopecia areata in Koreans.