11/09/2026
Weight is about more than calories and willpower.
Our understanding of obesity has changed significantly in recent years. Weight can be influenced by biology, metabolism, genetics, lifestyle, environment and other factors, which is why the same approach does not work for everyone.
In this educational video, Dr. Gill discusses the science of weight and explains the updated POWER 2.0 approach from the American Gastroenterological Association. The framework brings together lifestyle changes, medical treatment, newer weight-loss medications, and other treatment options as part of personalized obesity care.
Understanding the science behind weight is an important step towards treating obesity as a health condition rather than simply a matter of willpower.