Obese cats seem to be the new norm. And it is said to be one of the most common and preventable diseases.An estimated 30-35% of the general cat population is obese.Cats tend to be seen as lazy, and self-sufficient.. Left to do their own thing, and even left alone for days at a time with an unlimited food supply.The truth is, cats rely on their humans to keep them healthy.And when they get feed a carbohydrate rich, overly processed diet, along with not getting enough exercise... We are doing them