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SUNDAY, March 20 (HealthDay News) -- Firstborn children may be more likely to suffer from destined types of allergies, finds a new study.

Japanese researchers surveyed parents of more than 13,000 children older 7 to 15 and institute that a child's relationship visit did not seem to change the prevalence of asthma or eczema.

However, issue children were more likely to have hay fever, sound eye due to allergy and matter allergy. In fact, the investigators institute that the figure of matter allergy was 4 proportionality in issue children, 3.5 percent in second-born children and 2.6 proportionality for children born later.

"It has been established that individuals with increased relationship visit have a smaller risk of allergy. However, the meaning of the gist may dissent by allergic diseases," first author of the study, Dr. Takashi Kusunoki, of the medicine division at Shiga Medical Center for Children and metropolis University, both in Japan, explained in a programme promulgation from the dweller Academy of Allergy, Asthma & Immunology.

The think was scheduled for presentation Sun at the period meeting of the dweller Academy of Allergy, Asthma & Immunology, held in San Francisco.

Further investigate is necessary to see more about how relationship visit affects allergy risk, Kusunoki and colleagues concluded.

Experts state that investigate presented at meetings has not been subjected to the same type of rigorous scrutiny given to investigate published in peer-reviewed scrutiny journals.

More information

The Nemours Foundation has more about allergies in children.

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