These diseases kill a large number of cats annually. Both are transmitted from cat to cat. Obviously, limiting such contact by keeping your cat indoors decreases the risk of its contracting these usually fatal diseases. Fleas and ticks brought into to the home also pose a hazard for humans. Since ridding the pet and the home of these pests can be major effort, and expensive as well, prevention by keeping your cat indoors would seem a rational choice.
Many outdoor cats die from auto accidents.
They may also cause accidents when drivers try to avoid hitting them. People who hate cats . Some drivers won't even brake for an animal, and other disturbed individuals derive satisfaction from killing or torturing animals. Or perhaps your cat will encounter a mercenary individual who collects cats to sell to research laboratories. In short, your cat is at the mercy of the people it encounters.