Catnip contains nepetalactone, an essential oil found in the catnip plant. Here's how it affects your cat and why it makes them feel so good.

Cats on catnip are clearly having a wonderful time – but does it get them high? Our vet explains more… ...

Catnip drives her wild and seems to give a wonderful euphoric feeling, whether it is sprinkled around her or buried within an unsuspecting toy. But, why exactly does catnip have this effect on her?

There's a very scientific reason cats go wild for catnip, and it's all about smell.

Catnip can drive kitties of all sizes a little crazy, and its effects have led feline lovers to wonder what makes this little green plant so attractive to them.

Why do we think it's OK to give concentrated catnip to intoxicate a pet, and then be amused by the 'intoxicated' behavior?

Cats will then be resistant to its effects for at least an hour, and if they're given catnip more than once a week or so, they can develop a kind of tolerance.