One way to stop panic attacks would be to learn a few different breathing techniques. When you are able to implement these in your life you will be able to decrease the amount of stress you are feeling. It will be possible to relax your body so that you may be able to stop a panic attack before it ever begins, or at least keep it from getting any worse. Those individuals that have learned different breathing techniques, and started implementing them on a daily basis, have found it to be very helpful. Those that have ever suffered from a panic attack while driving can tell you that this may very well be one of the most frightening things they have ever experienced. It goes without saying that effective breathing techniques can really help someone that is in this type of a situation.
What about being mindful of the day?