 [ Symptoms ] how much salt does a person need [ Disease ] i do not know your age or if people in your family get grey or white hair but this could be a normal age related change i do not think that it would likely be due to your stress i do not know if it will turn your normal color again i suspect that this will likely be permanent if you do not like this distinguishing change you can put some hair dye on them if there are only a few you can pull out the white ones but there is not guarantee that new white ones will grow in its place