Too-clean homes may encourage child allergies, asthma

http://www.live5news.com/story/25711359/too-clean-homes-may-encourage-child-allergies-asthma-study

(HealthDay News) — Cleanliness may be next to godliness, but a home that’s too clean can leave a newborn child vulnerable to allergies and asthma later in life, a new study reports.

Infants are much less likely to suffer from allergies or wheezing if they are exposed to household bacteria and allergens from rodents, roaches and cats during their first year of life, the study found.

The results stunned researchers, who had been following up on earlier studies that found an increased risk of asthma among inner-city dwellers exposed to high levels of roach, mouse and pet droppings and allergens.

“What we found was somewhat surprising and somewhat contradictory to our original predictions,” said study co-author Dr. Robert Wood, chief of the Division of Allergy and Immunology at the Johns Hopkins Children’s Center in Baltimore. “It turned out to be completely opposite — the more of those three allergens…