main factors that may predict persistent asthma and one major factor that could help protect against it. Some of the factors that predicted ongoing asthma symptoms beyond school years were early wheezing, allergy to house dust-mite, and cats, a diagnosis of asthma and hayfever by age of 5 years, having eczema and a history of parental allergies. A child with wheezing symptoms and eczema in early childhood was more than 75% more likely to develop asthma up to the age of 20 years compared with a wheezy child without eczema at preschool age. The presence of a dog in the house was linked to the resolution of early asthma symptoms.
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