Surely. But I know that this is true for me. I can tell at the end of the day whether I worked out or not just by how I feel. Without workouts I feel foggy, s

Surely. But I know that this is true for me. I can tell at the end of the day whether I worked out or not just by how I feel. Without workouts I feel foggy, slow, unmotivated. Doing cardio I feel 25. Same for others so I hope they continue this research.