Test Achieves Cholesterol Breakthrough Wed Nov 5, 7:58 AM ET By LINDSEY TANNER, AP Medical Writer CHICAGO - An experimental treatment that seems to work like "liquid Drano" for clogged arteries stems from remarkably healthy villagers in northern Italy found to have paradoxically lousy cholesterol levels. Scientists think a genetic mutation in HDL cholesterol explains the villagers' good health. And using a synthetic version of that substance, they were able to reduce fatty artery plaque in just six weeks in patients with heart disease. Larger and longer studies are needed to determine if the experimental treatment will translate into fewer...