CNN SPACE + SCIENCE | Why cats go so crazy for catnip

(CNN) – Catnip isn’t just intensely pleasurable for cats. It’s also practical.
When your feline friend rubs, rolls against, chews and licks catnip leaves, it’s not just playful high jinks sparked by the plant’s intoxicating qualities. The behavior leads to the release of certain compounds that might protect cats from pesky mosquitoes, according to new research out of Japan.
Compounds called iridoids in the leaves of catnip (Nepeta cataria) and the plant silver vine (Actinidia polygama) act as an insect repellent as they are released when the cats rub their bodies against the leaves, the same team found in a study published last year. –read more–