For 20 years a growing incidence of allergic pathologies has been observed. Such pathology now affects approximately 20% of the population in developed countries. Homeopathy is often used in the treatment of allergic diseases; and the evaluation of the effect of high dilutions began in 1986.1 While visiting the Tate Gallery recently, after the very interesting international Conference in London. A ‘Global perspective’, I was struck by Turner's method of preparing the canvas before beginning his painting. Similarly, we also need to prepare the way to a ‘global perspective’. To the relationship between homeopathy and allergy two articles in this issue of Homeopathy, combined with previous publications, allow us to begin to apply such a method.