Think about the daily routine of your dogs. They go for walks, roll in the grass, chew on toys, and eat practically everything—whether it’s edible or not. Such activities are part of a typical day for dogs, and pet owners don’t give it much thought.

All pet diseases are best caught early. Early detection ensures that your dog gets the proper treatment right away to help the body heal and overcome illness. Sometimes, treatment is able to cure the ailment; in other cases, it can at least prevent the disease from worsening.

Cats do a lot of weird things with their bodies. They twist and wriggle, they roll around on the floor, they twitch and shake. But how can you tell whether these things are normal and safe or dangerous and indicative of a larger problem?