If you’re not yet up on Zone 2 workouts—what we've previously described as the “secret fitness weapon hiding in plain sight"—it’s time to build up a light-to-moderate sweat and get after it. At its ...

There’s a pervasive mentality in the fitness world that the best workouts leave you soaked in sweat and gasping for air. Popular phrases like “no pain, no gain” and “sore today, strong tomorrow” ...