Allergy and atopy from infancy to adulthood: Messages from the German birth cohort MAS,

Allergic diseases in early and late childhood have become a common health problem across the globe as documented by the first cross-sectional phase of the International Study on Asthma and Allergies in Childhood [ISAAC] in the mid-1990s.1,2 In many industrialized and developing countries the prevalence of asthma, allergic rhinitis and eczema has increased since then or remained at a high plateau as shown by another global ISAAC assessment a decade later.3

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