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German researchers followed 526 children in a fairly affluent urban setting in Munich. They interviewed parents during pregnancy, then again when the child was 3 and 12 months old, and then yearly up to 5 years of age. Questions concerned symptoms of asthma and other allergies, general medical history and environmental and socioeconomic factors. The study appears in theFebruary issue of Annals of Allergy, Asthma & Immunology.
German researchers followed 526 children in a fairly affluent urban setting in Munich. They interviewed parents during pregnancy, then again when the child was 3 and 12 months old, and then yearly up to 5 years of age. Questions concerned symptoms of asthma and other allergies, general medical history and environmental and socioeconomic factors. The study appears in theFebruary issue of Annals of Allergy, Asthma & Immunology.
After controlling for parental allergies and smoking, animals kept at home, the presence of older siblings and other factors believed to affect the risk for asthma, the researchers found that the risk increased with the number of colds. Women who had had three or more colds were more than twice as likely to have a child who had asthma by age 5. A mother’s use of antibiotics or Tylenol had no effect, protective or otherwise.
The lead author, Sabina Illi, a researcher at Munich University Children’s Hospital, cautioned that the study was observational and not a clinical trial, so did not prove that having colds during pregnancy causes asthma in children. “Is it truly the upper respiratory infection that affects the child? If a mother tries not to get a cold when she’s pregnant, will it help?” she said. “We don’t know.”
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