Is there another factor other than cholesterol and triglycerides causing heart attacks?

HEART-ATTACK-STROKE-MICROBE NEW YORK: Thousands of heart attack victims every year have none of the notorious risk factors before their crisis - not high cholesterol, not unhealthy triglycerides.

Now the search for the mystery culprits has turned up some surprising suspects: the trillions of bacteria and other microbes living in the human gut.