ScienceDaily (June 12, 2009) — Low-density lipoprotein (LDL) is the so-called “bad cholesterol” often linked to medical problems like heart disease and clogged arteries. Cells in the liver produce a specific receptor that sticks to LDL and removes it from the blood, lowering cholesterol levels. Statin drugs also reduce LDL cholesterol levels by boosting cells’ production of the receptor.