K2 has been all over the news lately, but what exactly is this so-called fake weed? Here’s six basic things you need to know. 1. Though it was originally created in the 1990s, according to Live ...

This Feb. 15, 2010, photo shows a package of K2 which contains herbs and spices sprayed with a synthetic compound chemically similar to THC, the psychoactive ingredient in marijuana. Pennsylvania's ...