It is seldom recognized, commented historian René Dubos, that each society and every civilization creates its own diseases.1 Is the peanut allergy epidemic man-made? And if so, how has it been created in millions of children in just 20 years and who or what are its architects? The features of the epidemic continue to puzzle doctors. In the US alone, 5.6 million people – 2% of the population – are allergic topeanuts and nuts almost all having experienced onset as toddlers. This epidemic tipped into critical mass around 1998 when the first flood of allergic children entered kindergarten sending a...