5. In general, high levels of bad (LDL) cholesterol leads to build up of the fatty, wax-like substance throughout the body, and good (HDL) cholesterol picks up those LDL deposits and clears them out of the body via the digestive tract. You would think that a stronger waste-management system would mean the body is running efficiently and you’re healthier, but the new study shows that in some cases, that’s not true.