There are also special orthopedic beds for older dogs to help relieve joint pain, others filled with special odor - eating material to keep the bed smelling fresh. (my-favorite-dog.com)
If a dog food has too little fat then a dog will still feel hungry after he eats, even if the food contains other filling ingredients. (dogfoodinsider.com)
The prospect of being involved in developing a method to reduce the pain of others filled me with great pride. (sciencedaily.com)