Do you know your number - your blood pressure? Hypertension (high blood pressure) is also known as "the silent killer" as there's no signs or symptoms. I'm joined today by Prof Bruce Griffin who's an active researcher and external speaker in human nutrition in relation to cardiovascular health. Bruce has published widely in the areas of blood lipids, dietary macronutrients and cardiovascular disease.

1. What causes high blood pressure?
2. In terms of cholesterol, is saturated fat really the bad guy or is high cholesterol genetic?