Secondhand smoke as harmful to pets as people

This image provided by Cummings School of Veterinary Medicine shows a chest x-ray of a cat with lung carcinoma indicate by white arrows. Researchers have found cancers of this and other types are more likely in cats and dogs who have had repeated exposure to secondhand smoke. (AP Photo/Cummings School of Veterinary Medicine)LOS ANGELES (AP) — Ten years ago, Shirley Worthington rushed Tigger to the vet when the dog's mouth started bleeding. When she was told he had cancer, she knew to blame her heavy smoking, an addiction she couldn't kick until after her pet died.

July 9, 2014 3:32 pm

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