Ask any heart doctor the best way to avoid a heart attack, and he will probably tell you to lower your cholesterol and exercise more. What he's not likely to tell you is that despite cholesterol's well-earned reputation as the heart's primary nemesis, half of all heart attacks occur in people with normal cholesterol levels. That's because though scientists have identified some 250 other risk factors, from obesity to gum disease, they have never found a better indicator of the health of one's cardiovascular system than the levels of good and bad cholesterol in the blood.
Until now. In a groundbreaking...