The science of fats can be controversial, in favour one month and out the next. But of course not all fats are the same. So here's a question; Butter or margarine – which is best? And is coconut oil for cooking a good or a bad thing?

I'm joined by Professor 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 lips, dietary macronutrients and cardiovascular disease so who better to ask in this episode:

Butter or margarine?

Coconut oil in cooking – good or bad fat?