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PostPosted: Fri Sep 01, 2006 2:59 am 

Joined: Thu Aug 11, 2005 6:48 pm
Posts: 614
Location: Ontario, Canada / Cambridge, UK
FRIDAY, Aug. 25 (HealthDay News) - The number of children with allergies and asthma is increasing worldwide, especially among the youngest, researchers report.

In 1991, the International Study of Asthma and Allergies in Childhood looked at the global prevalence of asthma, hay fever and eczema. Between 2002 and 2003, Dr. Innes Asher of the University of Auckland, New Zealand, and colleagues repeated the survey to see if there were any changes.

In its study, Asher's team questioned the parents of more than 193,000 children aged 6 to 7 years from 37 countries. They asked about the presence of symptoms of asthma and allergies, such as wheezing, in their child. The researchers also surveyed some 304,680 children, aged 13 to 14 years from 56 countries, asking the same questions. Countries included Brazil, Canada, Great Britain, Iran, New Zealand, South Africa and Sweden.

The researchers found that increases in allergies were more common than decreases and occurred more often in the younger age group. The greatest increases were for eczema in the younger group and for hay fever in both age groups.

However, among the older children, in whom cases of asthma had previously been high, there was a decrease in symptoms. Only in Asia-Pacific nations and India did increases in the prevalence of all three disorders happen more often in both age groups.

The rest of the article is here:

16-year-old son: peanuts, nuts, raw egg whites, asthmatic
Self: allergic rhinitis, fragrance/chemical sensitivities, oral allergy syndrome

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