Studies show that aggressive treatment may not prevent heart attacks.
An article in tomorrow's New York Times says that treatments like bypass surgery, angioplasty, and stents may be doing little or nothing to prevent heart attacks. Apparently most heart attacks do not originate with obstructed arteries.
What's the answer if you're at high risk? Go with the boring old advice — stop smoking, change your eating habits, and take drugs to lower blood pressure and cholesterol. This is thought-provoking, and worth a read or discussing with your doctor.