Many writers treat them as symptoms of physical diseases like epilepsy or mental diseases like schizophrenia. (religion-online.org)
It can also be caused by physical disease or emotional / mental disease. (nakedpastor.com)
The protective nature of self - esteem is particularly evident in studies examining stress and / or physical disease in which self - esteem is shown to safeguard the individual from fear and uncertainty. (academic.oup.com)