You still may be thinking, “But this isn’t about me. I don’t have heart disease.” But you may have conditions or habits that can lead to heart disease, such as being overweight, smoking cigarettes, or not engaging in enough physical activity. You may already know about these and other “risk factors” for heart disease. You may know which ones you personally have. What you may not know, though, is that if you have even one risk factor, you are much more likely to develop heart disease, with its many serious consequences. A damaged heart can damage your life by interfering with.