If you’ve been working out regularly, you’ve already discovered it: No matter how good or bad you feel at any given moment, exercise will make you feel better. And it goes beyond just the “runner’s high”—that rush of feel-good hormones known as endocannabinoids.
Running helps you get fit… you know that exercises burns calories while you’re working out. The bonus is that when you exercise, the burn continues after you stop. Studies have shown that regular exercise boosts ‘afterburn’ – that is, the number of calories you burn after exercise.
(Scientists call this EPOC, which stands for excess post oxygen consumption) That’s kind of like getting a paycheck even after you retire. And you don’t have to be sprinting at the speed of sound to get this benefit. This happens when you’re exercising at an intensity that’s about 70 percent of VO2 max (That’s a little faster than your easy pace, and a little slower than race pace).