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.
October 2024 in “Journal of the Pakistan Medical Association” Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
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.
September 2019 in “Acta scientific microbiology” No link between how fast you breathe and early grey hair was found.
Premature greying of hair affects the social lives of medical students but not their self-esteem.