This is a hard-hitting investigation into the link between cholesterol and one of today’s biggest killers – heart disease. Roughly 50% of those admitted to hospital for heart attacks have 'normal' cholesterol levels, yet many people with high cholestrol have healthy hearts. So how much do we really know about cholesterol? And what cutting edge clues are scientists now following to help keep the silent killer at bay? This film talks to the world's leading scientific authorities searching for the last remaining mysteries of heart disease.Told with state-of-the-art animation, The Cholesterol Question features the world’s leading scientific authorities who reveal the latest insights and dispel age-old myths. This is essential science at its most gripping.