Additionally, stress-induced hormonal changes, characterized by an increase in cortisol levels, have been linked to the acceleration of premature greying by affecting melanocyte stem cells
[DOI] [PMC free article] [PubMed] [Google Scholar] 83.Luo M., Liang X.Q., Dang P., Holbrook C.C., Bausher M.G., Lee R.D., Guo B.Z
Vegans who consume no animal products and vegetarians who consume some animal products (e.g., dairy products, eggs, or both) but not meat have a higher risk of developing vitamin B12 deficiency because natural food sources of vitamin B12 are limited to animal foods
Its small form, S-HDAg, forms nuclear speckles to regulate RNA replication, while its large form, L-HDAg, is required for viral assembly [203]