What does catnip do to cats? According to the Humane Society cats react to catnip by meowing, flipping, rolling, rubbing and zoning out. Some cats may even become aggressive if you approach them ...

Does catnip really get your kitty high? Here's what catnip does to cats—and why they are crazy about it.

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.

So, how does catnip work? Nepetalactone, one of catnip's volatile oils, enters the cat's nasal tissue, where it is believed to bind to protein receptors that stimulate sensory neurons.

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