We all hope that our felines will live long and whole lives. But when they reach a ripe old age, it’s not uncommon for various problems to pop up. Just like humans, older cats can experience changes in eyesight and declining brain health. They may also be less mobile, which can affect their weight. Not all older cats need senior cat food. Sometimes, they’re fine with the adult food that they have been eating for years. Of course, not all senior cat foods all the same.