publicado em 16/10/2011 às 12h30:00
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Breast-feeding reduces risk of children suffering from allergies

Evidence suggests that lifestyle factors and dietary patterns help to reduce the initial symptoms of allergy

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Currently, about one in four European children suffer from allergies, which makes it non-infectious disease epidemic of the XXI century. Evidence shows that the factors of lifestyle and dietary patterns, how breastfeeding can help reduce the initial symptoms of allergy.

There is no doubt that exposure to allergens, both in food and the environment, influence, although the significance of the dose and the period is not yet fully defined.

According to Professor Halken, there are some hypotheses that suggest that certain patterns of lifestyle and nutrition can lead to early symptoms of allergy. For example, it was shown that breastfeeding for 4 to 6 months reduces the risk of atopic eczema and allergy to milk protein.

The development of allergy is the result of a complex interaction between genetic and environmental factors that may protect or promote their development. Factors such as pollution were also related to the increased prevalence of allergic diseases during childhood in developed countries.

"The exposure to many environmental factors has changed in recent decades, including exposure to tobacco smoke, which seems to increase the risk of airway infections and asthma. In addition, exposure to agents who develop the allergy, such as food, house dust mites, pets and pollen is a prerequisite to develop allergic diseases, but other unknown factors can influence. Genetic factors may also influence susceptibility to different environmental factors and the pattern of symptoms in a child particular way. Studies show that a child with atopic dermatitis and a family history has a higher risk of developing asthma at a later time of life. When one parent is allergic, the child is predisposed to be allergic, the risk is even greater when both parents suffer from this disease, "explained Professor Halken.

The expression of allergic disease may vary with age, and some symptoms may disappear being replaced by others. How Halken said, "Children usually suffer from atopic dermatitis, gastrointestinal symptoms and a recurrent wheezing, whereas bronchial asthma and allergic rhinoconjunctivitis are the main allergic symptoms in childhood." Accordingly, allergic reactions to foods, particularly protein from cow's milk are the most common manifestations in the first year of life, since allergy to inhalant agents occurs primarily during childhood.

Doctors agree that one of the key elements to achieve a better management of allergy in childhood is to improve diagnostic techniques and to develop treatments that not only reduce symptoms but can lead to a permanent cure. "Early diagnosis can lead to effective treatment to reduce symptoms and improve quality of life. Knowledge of allergies may help patients avoid contact with offending agents and thus reduce symptoms and avoid risky situations, it can even be fatal, "said Halken.

   Palavras-chave:   Breastfeeding    Allergy    Lifestyle    Asthma      
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