Secondhand smoke: Dangerous for pets, too

Owners who smoke put their pets at risk for serious, life-threatening illnesses such as asthma and cancer, and one US group's new ad exposes that truth. Feline and canine lungs are similar to those of humans, so it's not surprising that companion animals are at risk of health consequences when their humans smoke, says veterinarian Elisabeth Snead. But she said people who may not be motivated to quit for their own health could find inspiration in their pets. A new US ad campaign is capitalizing on that idea, warning of "CATmageddon."

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