The flow of painkillers onto the Houston streets has been choked off by the DEA, driving up prices. But we're flooded with cheaper and more abundant heroin, so users are making the easy decision to switch over, more and more often.
With weed so easily available, why would someone want to smoke a synthetic and dangerous imitation? To beat drug tests, of course. Spice is a manufactured imitation of marijuana that can still be found in shiny packets marked as not for human consumption at gas stations, convenience stores, and head shops, or over the internet.