United Kingdom, Jan. 26 -- Paris Hilton has compared her rejection sensitivity dysphoria to having "a demon in your mind".

The 44-year-old socialite and reality star was initially diagnosed with ADHD in her late 20s before finding out she had RSD, which is an extreme emotional response to either real or perceived criticism or rejection.

She told Dear Media's podcast The Him and Her Show: "It's basically, like, any thought of a negative perception, if you think someone is being rude or you feel something.... You will feel it like it's physical pain and it's not even real.

"It's kind of just this, almost like a demon in your mind that is, like, saying negative self-talk to you."

According to the Cleveland Clinic, there is a link between...