Allergies are an epidemiology for modern societies and caused by an overreaction of the immune system
Today the world’s population faces a modern epidemiology affecting an increasing number of people, allergic diseases are among the most common diseases in the western world. Up to 20% of the worldwide population suffer from type I allergies, approximately 1.3 billion people. The distribution varies especially in the industrialized countries. Read more about the causes of allergies .