This website is dedicated to helping improve the lives of those living with gastrointestinal conditions. Learn More Mind Over Gut Around 1 in 7 individuals experience gastrointestinal symptoms and that up to 75% of these individuals also experience psychological distress. Learn More Mind Over Gut Free evidence-based online psychological programs. Learn More h Programs View our range of programs to help improve your gut health. Research Participation Find out how you can get involved in my research. Find GI Psychologists Find other GI psychologists around Australia. m My Research Get details on my extensive research into gut health. About Simon Learn all about Simon Knowles and his background.