At Integra Dietetics , we focus on the physiological "why" behind every mile. While it is tempting to believe that running must be hard efforts to yield results, the biological reality of "easy jogging" tells a different story. To build a faster engine, you must first build a bigger one, and that process happens primarily at a low intensity. The Physiology Why dedicate so many miles to easy running? It isn't merely about recovery, it is about fundamental biological adaptation