‘Oh, it’s just a little cyst. Almost every dog I have had has got one at some point. No need to do anything about it. It will disappear eventually.’ I blinked, and thought. The dog was ‘only in for ...

Between going on walks, running to the door, and jumping on the couch, many dogs spend most of their day on their feet. But when a dog's routine suddenly slows down, owners might not realize that the ...