Hypnosis, when using proven therapeutic procedures, can be a highly effective form of treatment for many mental, psychosomatic, and physical disorders. Hypnotherapy has been used to stop self-destructive and addictive habits like smoking. Hypnotherapy also works well for other anxiety disorders such as phobias and has proven to be an effective treatment for mild to moderate depression. Hypnotherapy is also more effective at enhancing quality of life of cancer patients and relieving anxiety and depressive symptoms, when compared to patients receiving traditional care. Belief is a very important factor and also regular therapy is the key here for best results.