No More Sneezing, Itching, Coughing?

A purring cat curled up on an old sofa might seem bucolic, but for many allergy sufferers the scene signals misery: itchy eyes or nose, an uncontrollable urge to sneeze, a tightening throat. Before long, invisible assailants--cat dander and dust mites--send their sniffling victims racing for tissues and antihistamines.

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