Everyone can be hypnotized provided that they want to be. Anyone who wishes to be hypnotized can be. Even people with short attention spans can be hypnotized but the procedure requires special skills on the part of the hypnotist. There are some individuals who may run some risks if hypnotized. This is where the evaluative skills and clinical training of the hypnotist are essential.
Concentration is essential for hypnosis.
People with a wide range of intellectual giftedness or limitations can be hypnotized. Almost anyone can be hypnotized, even children as young as three. Old people can also be hypnotized. The ability to enter hypnosis frequently depends on the training and expertise of the hypnotist. If you have had positive experiences with hypnosis, it will naturally facilitate your re-experiencing it.