Cartoons, and real life have you associated with hairballs being a normal part of cats life. Hairballs seem like nothing, right? Well, it is actually a sign of your cat maybe getting sick! Your cats cleans itself with it’s tongue which picks up hair. But, normally that can be digested and passed through the intestines. If your cat is sick they tend to over consume hair and that causes hairballs to be coughed up! Usually a sign of something wrong with the digestive system. So, what used to be thought of as normal you now know might not be so good.