everywhere you look, it seems a heart attack is just waiting to happen. more than 1 million heart attacks a year. that s one just about every 30 seconds. just in the united states. if you haven t had a heart attack yourself, you likely know someone who has. i ve got a secret to share. with what we know right now, we could see the last heart attack in america. i ve been investigating this for over a year. i ve got lessons to share, things you need to know. things your doctor may not tell you. i m a pretty typical guy in his early 40s with a family history of heart disease. so i decided to go on a mission to never have a heart attack. but how? dr. arthur agiston has guaranteed he can see trouble coming. gleers advance. here s where the blood is flow, and this is the lining reporter: he is using an ultrasound to look for plaque in the artery leading to my brain. a blockage heerl could cause a stroke and would be a sign that i m at increased risk for heart attack. unles