234 citations,
November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.
276 citations,
April 2003 in “Molecular endocrinology” Vitamin D is important for bones, hair, blood pressure, and breast development.
19 citations,
February 2023 in “Environmental and experimental botany” Jasmonic acid helps plants grow, defend against threats, and survive stressful conditions like drought and salt.
10 citations,
October 2021 in “Animal nutrition” Vitamin B6 helps increase hair growth and density in rabbits by affecting certain cell signaling pathways.
7 citations,
February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
1 citations,
December 2023 in “Animals” Winter provides the best fur quality for Rex rabbits due to seasonal changes in specific signaling pathways.
May 2024 in “BMC veterinary research” Metabolites and diet affect hair growth cycles in cashmere goats.
118 citations,
October 2013 in “Trends in Genetics” The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
1 citations,
January 2013 in “Springer eBooks” Cosmeceuticals may benefit skin health but need more research for efficacy and safety confirmation.
75 citations,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
28 citations,
April 1996 in “Cell biology international” Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.
26 citations,
May 2021 in “International Journal of Molecular Sciences” Cheonggukjang may help prevent and manage various diseases and improve overall health, but its odor and safety concerns need addressing.
24 citations,
October 2017 in “Biomolecules” Some growth factors, while important for normal body functions, can cause diseases when not regulated properly.
11 citations,
January 2008 in “International journal of environment and health” Children are at risk of health issues from exposure to platinum group elements from car exhausts.
7 citations,
February 2019 in “International Journal of Dermatology” Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.
4 citations,
November 2016 in “Pediatric Clinics of North America” The document explains the difficulty in diagnosing and treating brain diseases caused by the immune system and stresses the need for quick and accurate tests.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
11 citations,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
7 citations,
January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
3 citations,
January 1982 in “Australian journal of biological sciences” Ethionine significantly inhibits wool growth in sheep but not hair growth in mice or rats.
November 2022 in “Animal Bioscience” Adding methionine to a low-protein diet helps Angora rabbits grow better fur.
Higher methionine in pregnant rabbits' diets improves baby rabbits' hair growth.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
11 citations,
September 2012 in “Journal of animal physiology and animal nutrition” Higher protein diets with DL-methionine improve mink hair growth and fur quality.
17 citations,
August 2015 in “Journal of Animal Science” The MTR gene affects wool quality and production in Chinese Merino sheep.
9 citations,
October 1946 in “Experimental biology and medicine” Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
13 citations,
July 1951 in “Industrial & Engineering Chemistry” Yeast grown on wood sugar with added methionine could be a cheap alternative to animal protein for feed.