This video explains some of the basics of how people develop obesity and why treating this chronic disease is often more complex than just eating less. Franҫais : https://youtu.be/9oiLXYWqcb8 The Gastrointestinal Society, a registered Canadian charity, provides trusted, evidence-based information on all areas of the gastrointestinal tract, and is committed to improving the lives of people with GI and liver conditions, supporting research, advocating for appropriate patient access to health care, and promoting gastrointestinal and liver health. For more free information on this and other digestive diseases and disorders the GI Society covers, please visit our website http://www.badgut.org/ The information contained in this video is in no way intended to replace the knowledge or diagnosis of your healthcare provider. We advise seeking a physician or other medical professional whenever a health problem arises requiring an expert’s care. © 2022 Gastrointestinal Society.