This reminds me of a similar theory put forward by Edward de Bono a while back. He suggested it might be lack of zinc in the diet, caused by eating unleavened b

This reminds me of a similar theory put forward by Edward de Bono a while back. He suggested it might be lack of zinc in the diet, caused by eating unleavened bread. He proposed shipping out Marmite to help. http://www.independent.co.uk/news/de-bonos-marmite-plan-for-peace-in-middle-yeast-1133338.html http://www.independent.co.uk/news/de-bonos-marmite-plan-for-...