correspondent dawn,arning signss and what to do if your pet poun. >> busy lifestyles and unhealthy dietsreaking havoc pets. >> overweight in obesity in cats and tags has increasing to 160 to 170%. >> dr. kirk, is the lead veterinary researchers behind study by banfield pet hospital. >> right now one out of threeei. >> reporter: he a tributes this increase to number of factors. la food, and a changing attitude towards >> we are starting to consider pets more and more to be members of our fd we like to to communie with them and show our affection to them by and it can be pretty easy for to us offer too many treats in single day to our pets. >> reporter:because just as in g iting around all that extra weight can you hazardous to your pet's healtrt disease and respiratory disease are something that we'll see type two diabetes is something that we'll see with cats that are obese. we can see other diseases some are linked with dogs being overweight. >> reporter: how do you know if your pet needs the treadmill treatment? after all, animals especially dogs, come in all different shapes and sizes