![Delusional disorder: Causes, symptoms, treatment, and more](https://thriveworks-develop.go-vip.net/wp-content/uploads/2017/08/pexels-cottonbro-studio-6857791.jpg?w=1024)
A delusion is someone’s unshakable belief in something untrue. It’s not a part of the person’s culture or subculture—and almost everyone else knows the belief is false. Delusions can also be linked to a mental health condition, known as delusional disorder. While delusional disorder is a single condition, people with…