In a shocking article, PetClub UK reports that a recent study at Imperial College in London suggests that household cats trigger allergic reactions in 25% of people! Cat dander is one of the smallest, lightest, and stickiest allergens. Researchers admit that their finding was unexpected, and they say they will do more studies.

If you are allergic to cats or other animals, learn how to avoid the allergens with the Pet Allergy Solution Guide.