By JAMES GORMAN
The New York Times
Published: January 23, 2012
Disgust is the Cinderella of emotions. While fear, sadness and anger, its nasty, flashy sisters, have drawn the rapt attention of psychologists, poor disgust has been hidden away in a corner, left to muck around in the ashes.
No longer. Disgust is having its moment in the light as researchers find that it does more than cause that sick feeling in the stomach. It protects human beings from disease and parasites, and affects almost every aspect of human relations, from romance to politics.
It adds to the popularity of disgust as a subject of basic research that it is easier to elicit in an ethical manner than anger or fear. You don’t have to insult someone or make anyone afraid for his or her life — a bad smell will do the trick. And disgust has been relatively easy to locate in the brain, where it frequents the insula, the amygdala and other regions.
The entire story is here.