Lorcan Daly, a sports scientist who studies champion rowers over 50, said his dad took up the sport at 73, and won four championships by age 92.

The Scientific 7-Minute Workout is fast, efficient and works for almost everyone. Chris Jordan, the exercise physiologist who helped make it a viral phenomenon, explains.

Getting healthier does not have to be complicated. These 5 power habits to stay fit are easy to follow, fit into your daily routine, and can make a real difference in how you look and feel.