Firstborns more likely to suffer from allergies

Scientists have found that firstborn children are more often his younger brothers and sisters at risk of becoming victims of food allergy. It's all about the features of the immune system.

You never pay attention to what your older child is ill more often than younger children? Japanese scientists look into the matter. It turns out that with each new birth the immune system of a woman in the uterus is getting stronger. And that's where the immune system and is subsequently transmitted to the child.

That's why the second and third baby much less face food allergies   and temperature than their older brother or sister. These data were obtained from a study of the health of 13,000 schoolchildren aged 7 to 15 years. Children questioned about whether they have older or younger brothers and sisters, as well as about whether they suffer from any allergies.

In particular, it was found that 4% firstborn   It was rhinitis, conjunctivitis and food allergies . And children born second or third in a row, these ailments found only in 3, 5% of cases. Moreover, among the third child was only 2, 6% of those who suffered food allergies .

The study was led by Dr. Takashi Kasunoki from Children's Medical Center at the University of Kyoto, Shiga. "We found that the youngest children in the family have the least chance of food allergies, - said Dr. Kasunoki. - However, the prevalence of this communication may, depending on the type of allergic disease. We need further studies to evaluate pre- and post-natal circumstances that influence the development of food allergies in children. "

Healthy Child

Go back to the main page