Are there any people who shouldnt be hypnotised?

Are there any people who shouldnt be hypnotised?

Darren Marks (Hypnotist) gives expert video advice on: What is hypnosis?; What is the difference between a hypnotist and a hypnotherapist?; Can anybody be hypnotised? and more...

People with mental illnesses certainly should not be hypnotised if they're not being treated, such as psychotics, schitzophrenics. It's not a good idea for them to go through hypnosis.