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.
10 citations,
September 2020 in “Metabolites” Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
Forensic hair analysis for drugs is now more reliable and accurate.
50 citations,
December 2011 in “Skin Research and Technology” The algorithm effectively removes hair from skin images, improving melanoma diagnosis accuracy.
16 citations,
January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
46 citations,
April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
1 citations,
July 2021 in “Forensic science international” Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
16 citations,
January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
9 citations,
September 2022 in “Frontiers in Physics” The technique accurately identifies and evaluates hair follicle structures in skin.
9 citations,
January 2020 in “IEEE Access” The KEBOT system is a highly accurate AI tool for analyzing hair transplants.
1 citations,
December 2023 in “Environmental pollution” Hair analysis shows infants and mothers in north-western Spain are exposed to environmental pollutants, with factors like diet and residence affecting pollutant levels.
35 citations,
January 2013 in “International Journal of Trichology” Kids with early graying hair often have low levels of calcium, ferritin, and vitamin D3.
18 citations,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
18 citations,
September 2013 in “Technology” The study introduced a new imaging technology to track skin healing and bone marrow cell activity over time.
8 citations,
March 2021 in “Drug testing and analysis” Researchers improved a method to more accurately estimate when and how long a drug was taken using hair analysis.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
34 citations,
August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
28 citations,
December 2019 in “Skin appendage disorders” Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.
8 citations,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
6 citations,
January 2023 in “npj regenerative medicine” Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
2 citations,
September 2007 Surgical hair restoration involves moving hair from a non-balding area to a balding area, with the transplanted hair not subject to male pattern baldness. Medications can slow hair loss and regrow some hair, but successful treatment needs careful planning, skill, and ethical responsibility due to progressive hair loss and limited donor hair.
1 citations,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Quantifying hair shape is better than using racial categories for understanding hair characteristics.
May 2024 in “Plant and Soil” Root hairs in maize grow mainly in air-filled pores, limiting their role in nutrient uptake and plant anchorage.
Hair fibers degrade and change color in very basic water.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
271 citations,
March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
51 citations,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.