Fitness face-off

Popular exercise styles can be subject to trends. Scientists have studied high-intensity bursts of exercise a great deal in recent years, but research continues to also focus on the health benefits of moderate-intensity, continuous movement. Studies suggest both types of exercise can lower the odds of cardiovascular disease, cancer, and premature death. High-intensity exercise, however, can help people fulfill recommended exercise guidelines in less time. It does pose drawbacks, however, such as a higher risk of injuries and inflammation to joints and muscles.