Five chemicals and the "fake pot" products they are used in are now illegal.
The U.S. Drug Enforcement Administration used its emergency authority to make owning and selling the chemicals or any products that contain them illegal, effective March 1, according to a DEA news release.
The chemicals were used in smokeable herbal products often advertised as "K2," "Spice" or other brands that are labeled as incense, according to the release.
The banned substances are chemicals that mimic THC, the active ingredient in marijuana, the release stated.
The ban will last for at least a year with the possibility of a six-month extension while the U.S. Department of Health and Human Services studies the chemicals' health effects and then gives the DEA a recommendation on whether they should be permanently banned, DEA public information officer Terri Wyatt said.
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