Cat Allergy Cause Discovered (And It's Cats)
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Researchers are hopeful the discovery can lead to preventative medicine for people who suffer from both cat and dog allergies.

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(Image source: National Geographic )      BY ELIZABETH HAGEDORN      Researchers at the University of Cambridge say they’ve discovered the exact cause of cat allergies.    The study’s lead researcher pointed out:  “How cat dander causes such a severe allergic reaction in some people has long been a mystery.” (Via  University of Cambridge )   Allergic reactions usually come when a person’s immune system responds negatively to a foreign substance, like a virus or bacteria. But typically-harmless substances can trigger the same reaction. (Via eMedTV , CBS )    Including a protein found in feline saliva. When cats lick themselves clean, that protein gets passed on to people through their dandruff.  (Via YouTube / vid010 )    And when it comes in contact with a bacterial toxin called LPS, it triggers a negative response from the immune system. (Via CNN )    But after using a test drug that blocks that allergen, the researchers found the proteins didn’t affect humans cells. (Via PBS )  They say they’re hopeful the discovery can lead to preventative medicine for people who suffer from both cat and dog allergies.