As cats get older, they are more likely to get various diseases, which can often be managed very successfully if diagnosed and treated appropriately. Old age is not a disease in itself, so if you notice your cat losing weight, drinking more, acting strangely or anything else out of the ordinary, it is important to seek veterinary advice. Having a thorough once over, as well as blood and urine testing, blood pressure check or anything else indicated from the physical exam can all help with increasing the length and quality of your catís life.