67 citations,
August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
2 citations,
January 2017 in “Journal of Pigmentary Disorders” Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.
Low Vitamin D, Vitamin B12, and iron levels, as well as thyroid issues, are strongly linked to premature greying of hair, which also negatively affects quality of life.
Premature greying of hair affects the social lives of medical students but not their self-esteem.
September 2019 in “Acta scientific microbiology” No link between how fast you breathe and early grey hair was found.