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| The Benefits of Furry Friends |
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Allergy Fighters
"The old thinking was that if your family had a pet, the children were more likely to become allergic to the pet. And if you came from an allergy-prone family, pets should be avoided," says researcher James E. Gern, MD, a pediatrician at the University of Wisconsin—Madison, in the Journal of Allergy and Clinical Immunology.
However, a growing number of studies have suggested that kids growing up in a home with "furred animals"—whether it's a pet cat or dog, or on a farm and exposed to large animals—will have less risk of allergies and asthma, he tells WebMD.
In his recent study, Gern analyzed the blood of babies immediately after birth and one year later. He was looking for evidence of an allergic reaction, immunity changes, and for reactions to bacteria in the environment.
If a dog lived in the home, infants were less likely to show evidence of pet allergies—19 percent versus 33 percent. They also were less likely to have eczema, a common allergy skin condition that causes red patches and itching. In addition, they had higher levels of some immune system chemicals—a sign of stronger immune system activation.
"Dogs are dirty animals, and this suggests that babies who have greater exposure to dirt and allergens have a stronger immune system," Gern says.
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Related WebMD Resources
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SOURCES: Gern, J. Journal of Allergy and Clinical Immunology, February 2004; vol 113: pp 307-314. WebMD Feature: "Pet Doctor." WebMD Feature: "Everyday Playtime for Adults." Nadine Kaslow, PhD, professor of psychiatry and behavioral sciences, Emory University, Atlanta. Lynette Hart, PhD, associate professor, University of California at Davis School of Veterinary Medicine. Blair Justice, PhD, psychology professor, University of Texas School of Public Health; author, Who Gets Sick: How Beliefs, Moods, and Thoughts Affect Your Health. |
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