What Do You Find Sexually Disgusting?

I guess I'm a little behind the times, but I've just learned that disgust is having a scientific moment. There are a growing number of researchers, particularly evolutionary psychologists, who are trying to prove their theory that disgust is an evolutionary response. Some call themselves disgustologists.

This came to my attention last week when I read a paper published in the online journal PLoS ONE titled "Feelings of Disgust and Disgust-Induced Avoidance Weaken following Induced Sexual Arou...