Aerobic training greatly reduces the risk of cardiovascular disease and helps maintain a healthy cardiovascular system. You should have a schedule for aerobic or cardiovascular exercise, and you should stick to that schedule. Three days a week at an hour a day is good, or you can choose to do thirty minutes to an hour daily. It is up to you, but you should always incorporate cardiovascular exercise into your routine.
A lot of us want to be in shape, we just don't want to have to do what it takes to get in shape. The ideas and suggestions that you have read in this article, can be a great starting point to changing that around, but you have to be willing to stick with it and see it through.