The prevalence of childhood allergies, such as hayfever, have increased over the past decade in many countries of the world, especially among younger age groups, reveals an Article in this week's issue of The Lancet.In 1991 researchers carried out the International Study of Asthma and Allergies in Childhood (ISAAC) to assess the worldwide prevalence of asthma, hayfever, and eczema*. [click link for full article]
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