Many of us know about the so-called bad kind of cholesterol, known as LDL. But there is more bad stuff. Researchers in Sweden say lowering LDL substantially reduces risk of heart attacks. Yet, some people still develop heart disease. The goal of this study, in the European Heart Journal, was to find out why the remaining risk still occurs. While LDL is the most prevalent, two other particles, triglyceride rich lipoprotein or TRL and lipoprotein(a). Authors say lowering LDL type cholesterol remains the primary method of preventing heart disease. This study identified some of the ways heart disease risk remains beyond LDL.