We're quick to accuse cholesterol of blocking arteries and causing heart attacks. But are we right to always portray it as a villain? Do we absolutely have to lower our cholesterol levels? With the help of some researchers and cardiologists, we'll see whether cholesterol deserves its bad reputation. We'll also discuss statins, the drugs used to treat high cholesterol. Should we be giving them to everyone? Wouldn't it be better just to adopt a healthier lifestyle?