Hypnosis in the form of hypnotherapy has been endorsed by multiple medical and psychological associations.

In 1958, the American Medical Association, recognized hypnosis as a legitimate form of medical treatment when administered by an appropriately trained practitioner.

In 1961, the American Medical Association suggested that medical doctors and medical students complete 144 hours of hypnotherapy training.

In 1955, the British Medical Association issued a report stating that it approved of the use of hypnosis as a valuable medical tool. It was also suggested that all physicians and medical students receive fundamental training in its usage.

In 1962 the American Psychiatric Association recognized that hypnosis was a viable modality in the realm of psychology.