26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
11 citations,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
February 2024 in “medRxiv (Cold Spring Harbor Laboratory)” The study aims to understand how mood, physical activity, light exposure, and seasonal changes affect sleep patterns.
10 citations,
January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
17 citations,
July 2017 in “International Journal of Behavioral Medicine” The Egyptian Arabic Skindex-16 is a reliable way to measure how skin diseases affect quality of life in Egyptian patients.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
April 2023 in “Journal of Investigative Dermatology” Sunlight simulation causes skin inflammation, with different skin types reacting at different levels of exposure.
December 2021 in “Research Square (Research Square)” Hair follicle sampling is a feasible method to measure FMRP and FMR1 mRNA levels in children.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Psoriasis patients on biologic therapy have a weaker immune response to COVID-19 vaccination than healthy people.
People with androgenic alopecia are more likely to have metabolic syndrome than healthy individuals.
June 2022 in “Research journal of topical and cosmetic sciences” Trichovitals® supplement improves hair thickness, reduces hair loss, and promotes hair growth in young adults.
14 citations,
August 2019 in “BioMed Research International” Belly fat is the main predictor of nonalcoholic fatty liver disease in both women with Polycystic ovary syndrome and healthy women.
November 2023 in “International Journal of Cosmetic Science” Wheat polar lipid complex reduces hair loss and improves hair growth in women.
3 citations,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
Iron supplements improved hemoglobin levels and combined iron and zinc reduced measles risk in Indonesian infants.
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
24 citations,
March 2007 in “International Journal of Dermatology” The Arabic Skindex-16 is a reliable and valid way to measure the impact of skin conditions on quality of life in Saudi patients.
20 citations,
October 2004 in “Journal of Pharmaceutical and Biomedical Analysis” Quick method to measure minoxidil in blood, accurate and useful for labs.
6 citations,
February 2022 in “European journal of endocrinology” The method can measure multiple hormones in women's hair and may help identify hormone-related health issues.
4 citations,
October 2022 in “Journal of Imaging” An intelligent system can classify hair follicles and measure hair loss severity with reasonable accuracy.
4 citations,
February 2022 in “Journal of Pharmaceutical and Biomedical Analysis” The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
2 citations,
March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
May 2019 in “Clinica chimica acta” The study developed methods to measure biomarkers in mice and found differences in hormone levels linked to gut microbiota diversity and stress response.
Cross-section trichometry is an accurate method to measure hair loss and growth.
11 citations,
October 2018 in “Hormone and Metabolic Research” Women with PCOS have similar bone density to healthy women, but those who are obese have higher bone density at some body sites.
10 citations,
January 2019 in “Journal of Chromatography B” Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
6 citations,
April 2006 in “Lupus” People with lupus and rheumatoid arthritis have thinner hair than healthy people.
1 citations,
May 2017 in “Journal of The American Academy of Dermatology” People with alopecia areata often have lower vitamin D levels than healthy people.
1 citations,
August 2010 in “Journal of dermatology” Photoepilation significantly reduces hair, and phototrichograms can objectively measure its effectiveness.