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Allergy link found in parent with the same gender as child

Girls with asthma might have gotten it from their mother, a new study shows.

Research published in the August issue of the Journal of Allergy and Clinical Immunology finds new links in the way allergic disease is passed from parent to child. Hasan Asad of Southampton General Hospital led the efforts, based on data from the Isle of Wight Birth Cohort Study.

The Isle of Wight birth cohort study is a look at the medical history of 1500 children whose profiles were followed from birth to the age of 18. The data from this study said to be very accurate because most residents of the Isle of Wight, in England, remain there for life, and therefore very few dropped out of the study.

The research found that there may be a link between a child's allergic status and that of his or her parent with the same gender. Which means that if a mother has asthma, her daughter will have a greater chance of having it as well. The same is true of fathers and sons.

While analyzing the data, Asad and his team looked for certain allergic diseases present in parent and child, specifically asthma and eczema. In doing this, they discovered that the results were very divided along gender lines.

This research represents a departure from previous analysis on the topic, "In the past, studies looking at the effect of parental allergy in children have not split their samples according to the sex of the child, having assumed the mother and father influence is identical in males and females," said Asad.

In the future, doctors can use the findings of this study when diagnosing allergies in children. It may be helpful for them to find out the allergy history of the child's parent of the same gender, as it shows that there would be a likeness of the child having the same allergies. 

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