Is cholesterol good or bad for you? (Part 1)

When we hear about high cholesterol, most of us think about it causing heart attacks or strokes. And it scares us. According to the National Health Library, high cholesterol itself does not cause symptoms, so many people are unaware of their cholesterol levels. They suggest that everyone age 20 and older should have their blood cholesterol levels checked every 5 years. But is that true, is cholesterol really bad? Should we all start using statins, the cholesterol lowering drugs, like most doctors and drugs companies tell us to?