New research contends that stressed out expectant mothers increase their baby’s likelihood of developing asthma or allergies later in life. Serena Gordon of HealthDay News explains:
Babies born to mothers experiencing high levels of stress had more IgE in their blood at birth than did babies born to less-stressed moms. IgE is an antibody involved in allergic and asthmatic reactions.Stressed and pregnant! How do you ladies do it? You all need to relax. Hey, maybe this will help. Check it out:
"Moms who had elevated levels of stress had children who seemed to be more reactive to allergens, even when exposed to low levels of allergens," said study co-author Dr. Rosalind Wright, an assistant professor of medicine at Brigham and Women's Hospital and Harvard Medical School in Boston.
Wright's colleague, and another author of the study, Junenette Peters, said that stress may make women more susceptible to allergens because it "may make the cells more permeable" so that even low levels of exposure trigger a reaction. And, women whose immune systems are altered by stress may, in turn, pass down that trait to their infants.
Peters, a postdoctoral research fellow at Harvard Medical School, was to present the findings Sunday at the American Thoracic Society's 2008 International Conference, in Toronto.
The study, which was funded by a grant from the U.S. National Heart, Lung, and Blood Institute, included 315 expectant mothers and their infants. All of the mothers lived in an urban environment.