What causes the horrible skin crawling sensation after looking at something unpleasant?

Question

I wondered what exactly causes this? For example when I look at clusters of holes (trypophpbia) or nasty mold I have a feeling like my skin is crawling, it’s almost itchy.

In: 114

Answer 1

Old people lack confidence. They were once beautiful young people and now they are near their inevitable end.

Lack of confidence affects the posture and one tends to slouch.