Asthma is not a new disease. What is new is the increasing numbers of people in the western world who have the problem. In the last 50 years the number of people suffering has rocketed, at the moment we expect roughly 1 in 10 adults and 1 in 7 children to have asthma.

Hay fever is a common allergic reaction that affects the eyes and the lining of the nose. It is also known as allergic rhinitis. Hay fever causes numerous symptoms.