In my mid-30s, I was in a low place physically and mentally. I was burned out, tired and in pain all the time. I had been living with chronic back pain for five years that shaped every part of my day.

Have you ever told yourself, "I don't have time for the gym," "My days are crazy," or "Long workouts just aren't my thing"? Well, that's about to change! The good news is that science backs what many ...