(Here’s how low-intensity training transforms your body.)
In fact, persistent cortisol elevation is more often linked to inadequate nutrition than to workout intensity itself. Those on chronically low-carbohydrate or low-calorie diets may experience prolonged cortisol elevations, Duclos says. When the body chronically lacks fuel, it compensates by releasing more cortisol to break down fat, muscle, and even bone tissue for energy.
Why are influencers promoting low-intensity workouts?
Some people feel better or lose weight when switching to a lower-intensity routine. That’s because high-intensity exercise can be effective but also demanding, especially for those unaccustomed to it. “Most people, if they try to do high-intensity workouts, they can do it,” Hackney says. “But they’re not going to feel good because their body’s not used to it.”
Anderson adds that some people jump into intense workouts too quickly, pushing their bodies beyond their current capacity. As a result, lower-intensity workouts may feel better—not because of cortisol, but because they allow for better recovery, reduce injury risk, and make exercise more sustainable. “If you tolerate it better, you stay with the program, you do more,” Hackney says.
