Secondhand smoke isn't just a health threat to people. It can also hurt dogs and cats, veterinarians say.
According to the Centers for Disease Control and Prevention, more than 126 million Americans who don't smoke are exposed to secondhand smoke in their homes, vehicles, workplaces, and public places. This exposure causes thousands of lung cancer and heart disease deaths among nonsmokers every year, according to the California Environmental Protection Agency.
Making the leap from the effects of secondhand smoke on humans to their effects on pets isn't a big one, says veterinarian Carolynn MacAllister of Oklahoma State University.
"There have been a number of scientific papers recently that have reported the significant health threat secondhand smoke poses to pets," MacAllister said. "Secondhand smoke has been associated with oral cancer and lymphoma in cats, lung and nasal cancer in dogs, as well as lung cancer in birds."
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