November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
July 2005 in “The American Journal of Human Genetics” The AR gene is linked to male-pattern baldness, TNFSF4 to heart disease, SLC19A3 to BBGD, MCT8 to a syndrome, and segmental duplications to genetic variation.
January 1998 in “Differentiation” Basonuclin is crucial for hair follicle development and cycling in mice.
10 citations
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September 2020 in “Metabolites” Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
23 citations
,
October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Hair can show increased cortisol levels during late pregnancy.
2 citations
,
July 2009 in “Medical hypotheses” Identifying specific hair follicle parts could lead to better hair loss treatments.
1 citations
,
October 2020 Hair can reliably measure average estradiol levels over months in humans and monkeys.
15 citations
,
January 2008 in “Annales de Toxicologie Analytique” Hair test results can be misleading due to contamination, so they shouldn't be used alone to determine drug use.
3 citations
,
July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
1 citations
,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
158 citations
,
January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
1 citations
,
January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
1 citations
,
September 2016 in “Brain Behavior and Immunity” Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
1 citations
,
June 2014 in “Annales de Toxicologie Analytique” Hair analysis alone can't confirm long-term drug exposure in children under 1 year old.
11 citations
,
October 2002 in “Genetics” A new mouse hair mutation, called hague, is semidominant and unstable, but the exact cause is unknown.
10 citations
,
November 2018 in “Developmental Psychobiology” Hair can effectively measure DHEA and testosterone levels in children.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
September 2022 in “Journal of Sulaimani Medical College” The combination treatment showed some improvement but wasn't significantly better than using betamethasone valerate alone.
32 citations
,
February 1993 in “British Journal of Clinical Pharmacology” Measuring OPC-17116 in hair can reliably indicate drug exposure and timing.
August 2024 in “Microscopy Research and Technique” The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
August 2024 in “Clinical Cosmetic and Investigational Dermatology” Upadacitinib and narrowband UVB effectively treated a child's vitiligo and alopecia areata.
August 2023 in “Research Square (Research Square)” Melanocytes may trigger the immune response in alopecia areata, affecting hair regrowth.
32 citations
,
April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
8 citations
,
December 1997 in “International Journal of Dermatology” The patient has a leg condition caused by vein issues, needing lifestyle changes and leg care.
Hair cortisol levels can effectively indicate long-term hormone activity.
28 citations
,
July 2002 in “Australasian Journal of Dermatology” Lupus can look like hair loss from alopecia areata but needs different treatment.
January 2012 in “eScholarship (California Digital Library)” Hair and nails contain stable RNA, useful for personalized medicine and screening.
112 citations
,
September 1968 in “PubMed” Hot comb use can cause permanent hair loss on the scalp.
107 citations
,
September 1968 in “Archives of Dermatology” Using hot combs can cause permanent hair loss on the scalp's crown.