Leading a more active lifestyle takes time, effort, and determination, but in the end, it's really worth the shot. Here's what will happen to your body when you exercise regularly. Following is a transcript of the video. If you're thinking about leading a more active lifestyle, you're not alone. In recent years, an increasing number of Americans have started participating in more sports, fitness, and recreation. Whether you're trying to get fit or build muscle, or you're just tired of the couch, Read more..