American pets are getting a little too plump

A new study shows the nationwide obesity epidemic now includes our pets.Busy lifestyles and unhealthy diets are wreaking havoc on our pets and while porky animals may look cute, the extra fat can cause life-threatening conditions, reports CBS News correspondent Don Dahler."Overweight and obesity in our cats and dogs has increased by 160 to 170 percent," according to Dr. Kirk Breuninger, the lead veterinary researcher behind a study by Banfield Pet Hospital."Right now, one out of three cats and d