Hypnotherapy has been proven to be effective in reducing and managing the symptoms of IBS through clinical trials. Research has demonstrated that hypnosis can be used to effect gastrointestinal functioning. It slows down the intestinal transit, can increase or decrease the acid secretion in the stomach, and can reduce or eliminate nausea and vomiting. Hypnosis has been clinically researched for IBS patients since the 1980’s and has demonstrated many benefits: Success rates of approximately 70-95% in all studies with any significant number of patients. Treatment effectiveness; at least two years after the end of treatment. All major IBS symptoms – abdominal pain, diarrhea, constipation, & bloating – improve from hypnotherapy. In addition to the benefits on physical symptoms, hypnotherapy commonly improves psychological well-being and life functioning substantially and can have long-term positive effects in reducing health care costs and improving the quality of life of IBS patients.