August 2014 in “Journal of The American Academy of Dermatology” Obesity is linked to more severe hair loss in adult men and to excess hair growth, but its effects on hair conditions are complex and need more research.
March 2021 in “Journal of The European Academy of Dermatology and Venereology” Low quality of life and high HSS-29 scores increase risk of losing patients during treatment.
September 2016 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Higher RBP4 levels found in people with two types of hair loss.
May 2013 in “Journal of the Egyptian Women's Dermatologic Society (Print)” High aldosterone and free testosterone levels link to female hair loss; testing aldosterone may predict hypertension risk.
144 citations
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July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Alopecia areata is a common autoimmune disease affecting about 2% of people, causing significant disability and often associated with mental health issues and other autoimmune conditions.
76 citations
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July 2011 in “Clinical, Cosmetic and Investigational Dermatology” The document concludes that proper diagnosis and FDA-approved treatments for different types of hair loss exist, but treatments for severe cases often fail and future improvements may focus on hair follicle stem cells.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
30 citations
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December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
13 citations
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February 2020 in “Clinical, Cosmetic and Investigational Dermatology” Men with hair loss have higher BMI, waist size, blood pressure, and are linked to smoking and inactivity.
9 citations
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September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Using a patient's own fat tissue helped treat hair loss caused by an injury.