Synthetic weed may cause heart attacks, but it's tough to ban

Spice, Blaze, K2, Red X Dawn. Any of them sound familiar? They're different brands of synthetic pot — psychoactive drugs (commonly marketed in head shops as incense) which contain chemicals that, much like the THC in marijuana, act on the cannabinoid receptors in your brain. Sounds peachy, right? There's a catch.… » 7/18/12 10:25am 7/18/12 10:25am