Certain states permit limited marijuana use for medicinal purposes. No state accepts its widespread use, especially for recreational purposes. While there are scientific results that prove the effectiveness of doctor-recommended marijuana for serious medical conditions, there are no such studies that conclude the same about marijuana substitutes. Recently, there is a substance known as K2, Spice, Demon, Genie, Zohai, and some other names, which is being used by some as a substitute for marijuana. The substance is nothing like marijuana, however, and may be much more...