Emotions allow humans to interact with their
environment and are an important adaptive force. A
main emotion is disgust, which is under-treated in
specialized literature. This contrasts with its potential
function of serving as a health protector through the
rejection of potentially offensive or destabilizing
elements of the emotional-mental state of individuals.
The present is an analysis of what is already known
about disgust. To postulate a hypothesis of the mental
health protection function of disgust.
Keywords : Emotions, Neurosciences of Emotions, Disgust, Primordial Disgust, Social Disgust.