67 citations,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
54 citations,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
47 citations,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
44 citations,
January 2005 in “Dermatology” Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
20 citations,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
10 citations,
June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
9 citations,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
8 citations,
December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
7 citations,
February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
7 citations,
October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
4 citations,
March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
4 citations,
April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
3 citations,
January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
Forensic hair analysis for drugs is now more reliable and accurate.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
January 2011 in “Web journal anti-aging medicine/Anti-aging medicine” KGS1 tablets improved skin and hair health.
7 citations,
November 2013 in “Pediatric and Developmental Pathology” Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
1 citations,
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Body hair can be used to test for alcohol intake, especially in men.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
February 2014 in “Journal of medical sciences” Treating androgenic alopecia can significantly increase hair thickness, especially in males, with hair color and scalp location also affecting hair diameter.
34 citations,
June 1990 in “British Journal of Dermatology” Etretinate treatment changed hair growth patterns in many patients.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
3 citations,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
3 citations,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.