Is gluten bad? | Is going "gluten free" a fad?

Is the surge in popularity of the gluten-free diet just a fad?
Gluten is the new dietary enemy. Millions of people around the world are giving up gluten in pursuit of better health. With celebrity endorsements and best selling books, there is a ground swell of support for the gluten-free diet.
The believers say it can cure a wide range of diseases like arthritis, depression, even autism. But is this unprecedented uptake of the diet justified? Many doctors say that if you don’t have coeliac disease, you don’t need to avoid gluten. But emerging evidence is challenging this belief.
In this special investigation, Dr Maryanne Demasi cuts through the hype of the gluten free diet. Should we all get on board or is it just another fad? #ABCcatalyst