January 2015 in “The Encyclopedia of Clinical Psychology” Habit reversal training effectively treats hair-pulling disorder in both adults and children.
January 2026 in “Psychoneuroendocrinology” Loneliness raises stress levels in older African American men but not women.
January 2026 in “Western Journal of Nursing Research” Hair cortisol levels don't reliably indicate chronic stress in people with multiple sclerosis.
October 2013 in “Journal of the American College of Cardiology” People with non-dipper hypertension have higher aldosterone levels, more strain on their heart's venous system, and increased risk of endothelial dysfunction.
March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
39 citations
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June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
December 2025 in “Cureus” Avoiding friction and using topical treatments can significantly improve rough skin caused by repeated rubbing.
7 citations
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August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
12 citations
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October 2001 in “British Journal of Ophthalmology” A rare cataract surgery complication was successfully treated with laser capsulotomy.
18 citations
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August 2017 in “PLOS ONE” Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.