Toddler's Dust Mite Sensitivity May Predict Later
MONDAY, Aug. 29 (HealthDay News) -- Toddlers with a sensitivity
to house dust mites have an increased risk of developing asthma by
the time they're 12, new research suggests.
The study included 620 Australian children with a family history
of allergies who were followed from birth to age 12. The children
were given a skin prick test at ages 6 months and 1 and 2 years to
check for sensitivity to different allergens and then tested at age
12 for asthma.
Asthma was diagnosed in 75 percent of the children who tested
positive for sensitivity to house dust mites when they were
infants, compared with 36 percent of those who didn't have a
sensitivity to dust mites.
"Our study did not show house dust mite caused asthma but it highlighted a strong correlation between sensitivity and more severe wheeze and asthma," lead author Dr. Caroline Lodge, of the School of Population Health at the University of Melbourne, said in a university news release.
Identifying groups of high-risk children may help researchers
learn more about asthma development and find ways to prevent it,
The study was published online this month in the
Journal of Allergy and Clinical Immunology.
The American Lung Association has more about
asthma and children.
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