Recently, I went back to discussing food issues in some detail. It is important to understand that we do have ways of helping out pets not only with their diets, but with preventing things from happening long term. Obesity in Pets and Ways to Deal with It We have discussed this before. Obesity is an issue for both humans and pets when talking about arthritis. Overweight pets are not only more prone to developing arthritis, those who have joint related issues experience greater difficulties .