The Drug Enforcement Administration announced Wednesday that it would use its emergency powers to ban synthetic marijuana for one year, giving pot dealers across the country something to be thankful for when they sit down before their turkeys this week.

The synthetic weed, known as "K2" or "spice" and generally sold in head shops, is popular among police officers, members of the military and others looking to avoid failing a drug test, said one hemp store owner who sells the product. The high from marijuana is created by its main active ingredient THC, but also by the plant's several dozen poorly understood cannabinoids. The DEA had banned any drug containing natural or synthetic THC, but has not addressed the cannabinoids.

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