We all know that losing weight can be tough work. But keeping it off may be even more challenging as it requires real long-term lifestyle change and change can be hard. Some recent research though sheds light on how to keep it off for good: exercise! Researchers at the University of Missouri-Columbia (my alma mater—what what!) found that staying fit even if you regain weight helps keep the health benefits of weight-loss, and regular sweat sessions in and of themselves keep those extra pounds from creeping back on. Music to our workout-lovin’ ears!