Why does catnip make cats go crazy?

Catnip can work its magic in various ways, whether your kitty sniffs it or nibbles on it. And how it affects your cat's brain ...

Does your cat, an otherwise aloof and graceful creature, go whacky for catnip? Then they are one of the 70 per cent of domestic cats, as well as some big cats like lions, who do. But how has this ...