Several teenagers’ deaths have law enforcement officials concerned about the next in a long line of illegal synthetic drugs: 2C-I, also known as "Smiles."
The drug, a hallucinogen, has been linked to two deaths in East Grand Forks, North Dakota, though little is known about this drug's dangers. Other synthetic drugs, including K2 or "fake weed," have caused problems by proliferating before being made illegal.
"There is hardly any research at all in the scientific literature on these things, even in animals, much less any sort of formal safety evaluation in humans," said Matthew Johnson, a professor of behavioral pharmacology at Johns Hopkins University.
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