Note: And walking won't hurt your knees, ankles, and low back.
There's no need to run. Just going for a brisk walk - in the park, around the block or on a treadmill - may be enough to help keep your heart healthy, a small study suggests. The study, which indicates roughly two to three hours of mild exercise a week at a moderate intensity can significantly cut the risk of cardiovascular disease, supports earlier research.
Study: Walking As Good As Jogging
