Is there really a Super Food?

If we are concerned about our health and we watch what we eat, then we may try to eat more "healthy" foods. You've heard the term "Super Food" I'm sure. The food marketers have too. Does a Super Food really exist, and will it help us stay healthy? In this interesting perspective from Amy Fleming of the Guardian, she discusses the current thinking on these foods from some in the medical establishment. 

Read more from Amy Fleming in The Guardian