Atopy Case Study

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The causes of atopy are multifactorial with genetic and environmental factors (Purvis et al, 2005). There is a genetic component to atopic diseases but so far there have been no specific atopy genes that have been identified. A child is thought to inherit a predisposition to sensitisation against environmental allergens. Maternal history of atopy is a significant risk factor for children developing AD (Bohme et al, 2003). There are also many environmental factors which are as important, for example regional differences, allergen exposure, parental smoking, use of antibiotics and mode of delivery. Caesarean section (CS) may be a risk factor for allergic manifestations due to a delayed microbial colonisation (Salam et al, 2006). This may delay
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