Firstborn prone to allergies

In the firstborn increased risk of allergies and asthma, researchers say. Experts conducted by the University of South Carolina tests of more than 1,200 babies. It was found that the first-born than the rest of newborns have a genetic predisposition, are to increase the risk of allergies. The researchers also found that the high risk of allergies lasts until the age of ten. Experts measured the levels of immunoglobulin E in the blood of infants and found that was the firstborn, he raised. The level of immunoglobulin E known to play a central role in the pathogenesis of allergic reactions. According to scientists, the exact cause of this pattern is not clear, but the study shows that a predisposition to allergies can promise in the womb, and if we find ways to prevent it will be possible for a significant number of cases to . prevent As previously reported, the risk of allergy in the child's mother is also affects myocardial stress during pregnancy.