When we live side by side with a cat for several years, it's hard to see any changes in their appearance. As a rule, a cat is always active, full of vitality and grace. However, a careful observer will notice some subtle changes. How old is the cat? What illnesses can a cat develop with age and how can she be cared for at all stages of her life? Cats have become the main pets of the 21st century. Because of their popularity, better veterinary care and greater awareness of cat nutrition among owners, average cat life expectancy increases. How old is a cat today? Today, a 15-year-old cat or even a 20-year-old cat is not uncommon. If you want to keep your cat alive for a long time, it is important to remember that as the age of cats increases, their needs change more and more. As time goes by, there may be some physiological changes - how do you recognize them and whether or not you need any special treatment or nutrition? There are certain periods in a cat's life that are worth consideri