The sympathetic nervous system is linked to scalp hair loss.
January 2010 in “Elsevier eBooks” Hair color is important in many fields and is measured for various purposes.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
94 citations
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April 2018 in “Nature Genetics” New genetic locations explain much of hair color variation in Europeans.
4 citations
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January 2015 in “Case reports in urology” An 8-year-old boy recovered from a rare case of penile tourniquet syndrome after hair removal surgery.
research Hair
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April 2023 in “Elsevier eBooks” Hair analysis can detect drug use but is costly and interpretation is complex.
1 citations
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January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
1 citations
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January 2012 in “Human health handbooks” Hair color is determined by melanin types and gene activity.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
The integumentary system is essential for protection, temperature regulation, and health.
April 2025 in “Sabuncuoglu Serefeddin Health Sciences” Anabolic steroid misuse is a major health issue causing severe health problems and requires better awareness and monitoring.
May 2024 in “International journal of medicine and psychology.” Ganser syndrome may result from both organic and psychogenic factors.
June 2018 in “International journal of trend in scientific research and development” The review explains how hair products work and the science of different hair types to help improve hair care research.
February 2017 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol measurement is a promising, non-invasive tool for monitoring cortisol exposure over time.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
Human hair color is determined by melanin types and genetic factors.
82 citations
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January 1997 in “Forensic science international” Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.
45 citations
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January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
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January 2016 in “Forensic Science International” Thermal hair straightening changes drug levels in hair, affecting test results.
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January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
6 citations
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May 2007 in “Forensic Science Medicine and Pathology” Minoxidil can make it hard to detect cocaine in hair tests.
4 citations
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January 2018 in “Forensic Science International” Researchers created a reliable method to detect hair-growth substances in products.
158 citations
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January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
27 citations
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April 1978 in “Journal of Forensic Sciences” Enzyme typing can reliably characterize human hair.
3 citations
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June 2023 in “American Journal of Forensic Medicine & Pathology” A child died from eating hair, causing severe stomach blockages and infection.
1 citations
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September 1986 in “Journal of the Forensic Science Society” Hair root sheaths can be used to accurately analyze genetic markers.
May 2021 in “Indian journal of forensic medicine and toxicology” Eating too much clove can cause serious liver damage.
May 2021 in “Indian journal of forensic medicine and toxicology” Low levels of iron and vitamin D might be linked to chronic hair loss in women.